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April 11th, 2021

Sunday GunDay: Home-Built Heavy Gun with Coaxial Rear Rest

Rear coaxial Rest Heavy gun

If you’re a fan of “Heavy Artillery” here’s an impressive rifle that Forum member “Straightpipes” crafted himself nearly a decade ago. Even today, it remains a state-of-the-art engineering Tour De Force, complete with a custom-built, joy-stick REAR rest. We’re mightily impressed by the innovative design and superb metal-work displayed by this “home-built special”. ‘Straightpipes’ certainly proved that American “know-how” and creativity is still alive….

Coaxial (joy-stick) rests allow both vertical and horizontal movement with a single control. If you want to make a diagonal shift in point of aim, you can do this with one, smooth, continuous movement. Until now, this advantage has been limited to front rests. Well there’s some new technology in the benchrest world. Forum member ‘Straightpipes’ has created a coaxial rear joystick rest. He built this simple, compact rear rest in his home workshop for use with his 40-lb Heavy Gun. In combination with a vertically adjustable front rest, this innovative rear joystick rest allows aiming to be controlled from the rear, with your left hand in a comfortable position. Yes this kind of adjustable rear rest is legal in NBRSA HG and LG classes, and in IBS Heavy Gun class.

Rear coaxial Rest Heavy gun

Straightpipes Rear Coaxial Rest — Design and Features
The rear rest is crafted from aluminum with a stainless steel forward-pointing joystick. Total weight, including the long, stabilizing base foot, is about 10 pounds. Though the rear rest doesn’t seem to have a large movement range, the system offers plenty of “on-target” travel. At 100 yards, the rest offers 10 MOA left, 10 MOA right, 5 MOA up, and 5 MOA down adjustment. That’s plenty of range for most targets, once you center the Point of Aim vertically using the captain’s wheel on the front rest, which Straightpipes also crafted himself. Click Square Photos Below to see Large Images.

Inside the rear cradle sits a Protektor rear sandbag, with Cordura fabric filled with ordinary sand. This fits the 3″-wide bottom of Straightpipes’ 40-lb heavy gun. There are some sophisticated components you can’t see in the photos. The rear rest can pivot (right or left slightly) to stay aligned with the front rest (as adjusted to level the cant of the rifle). Straightpipes says: “With the pivot, whatever I do to the front, the rear follows.” The basket (cradle) also employs a 20-lb bias spring system to handle the weight of the Heavy Gun. This prevents the co-axial system from binding, so it is fluid and easy to operate. Even with 20 pounds of gun weight on the rear, the joystick can be easily manipulated with a light touch of thumb and fore-finger.

Video Shows Rear Coaxial Rest in Action

Watch the video below to see how the joystick controls the rear rest. Total joystick movement is about a 2.5″ sweep. This gives 20 MOA total windage adjustment at 100 yards, and about 10 MOA vertical.

About the Straightpipes Front Rest
The coaxial rear rest is designed to work with the massive front rest as a system, though they are NOT connected, so as to comply with IBS Heavy Gun rules. The 30-lb front rest supports exactly half the weight of the rifle and is used to set gross elevation. Windage and fine elevation is controlled in the rear. Straightpipes also designed and built his beefy front rest himself. As with his rear coaxial unit, the front rest pieces were all shaped by hand on a belt sander after being milled out. Straitpipes even “finish-sculpted some pieces with hand files the old craftsmen way.” The main center support column was milled with extremely fine threads. This allows the captain’s wheel to turn with little effort and no locking mechanism is required. Straightpipes does not need to fuss with locking knobs when he sets gross elevation. To help keep the unit from binding, there are stainless guide shafts on the left and right. These shafts slide in oil-impregnated bronze bushings.

Rear coaxial Rest Heavy gun

40-lb Barrel Block Heavy Gun with Savage Action
Straightpipes built this beautiful set of rests to work with his 40-lb Heavy Gun. Chambered in 7mm WSM, the gun features a Savage Target Action, and a Brux 32″, 1.300″ straight-diameter barrel fitted with a custom barrel nut. The barrel is clamped forward of the action in a 9″-long barrel block. This allows the Savage action to free-float. The block, also built by Straightpipes, looks fairly standard, but it has some clever design features. Between the barrel and the block there is sleeve that is slightly compressed when the block’s bolts are tensioned. This sleeve, made of a proprietary material, eliminates metal to metal contact between barrel and block. Straightpipes believes this enhances accuracy and provides some damping. Other shooters with barrel-block guns have used epoxy between block and barrel, but that makes disassembly difficult. The sleeve system on Straightpipes’ gun allows the barreled action to be easily removed from the stock. In addition, the compressed sleeve system is very stable — Straightpipes doesn’t have to fiddle with the bolt torques on his block.

Rear coaxial Rest Heavy gun

‘Black Beauty’ Stock Made from Resin-Soaked Laminated Wood, with Rust-Oleum Finish
Straightpipes built the beefy stock himself. It is made from “red oak” wood soaked in resin and then laminated together with JB Weld. The rear section features a polished aluminum buttplate and twin metal “runners” on the underside, where the stock rides the Protektor Cordura bag. Straightpipes says the stock is very stable: “it absolutely does not flex or warp with changes in temp or humidity”. We asked Straightpipes about the stock finish. To our surprise, “Pipes” revealed he used inexpensive Rust-Oleum fine texture outdoor furniture paint. “Pipes” told us: “I’ve been using this stuff for years. It’s abrasion proof and tough as nails — the bags won’t wear it off. It’s solvent-proof, won’t get soft or bubble up. It cleans up with a damp cloth, just rub it down and it looks like new.”

Rear coaxial Rest Heavy gun

As designed and crafted by Straightpipes, this Heavy Gun rest system is impressive. The rear rest is brilliantly simple, and beautifully finished. But the important question is: “how does it shoot?”. Straightpipes reports that the whole system exceeds his expectations: “The rear rest actuation is smooth and positive. It works smoothly in conjunction with the front rest. Everything is working together — there’s nothing that’s fighting another element of the system. The gun tracks straight. When it returns to battery, the thing is pretty much waiting for you shot after shot.” The rear rest’s small footprint allows the “driver” to sit comfortably behind the rig. Straightpipes reports: “Shooters can ‘address the rifle’ just like a Light Gun — you’re not straining to wrap your arm around something overly massive. Anybody can shoot this, it’s a very easy gun to shoot.”

Is it accurate? In a word, “Yes”. Straightpipes doesn’t want to make claims before the rig has been tested in competition, but he says it has “shot groups at 600 and 1000 yards that would be very competitive.” We promised not to publish group sizes yet, but we can tell you that at 600 yards in good conditions it drilled some “scary small” 5-shot groups, well, well under 1/4 MOA.

Permalink Competition, Gear Review, Gunsmithing No Comments »
March 28th, 2021

Sunday GunDay: .300 WSM Pending 1K World Record Heavy Gun

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM

This Sunday we feature an impressive .300 WSM Heavy Gun shot by a superb long-range shooter. With this rig, at age 83, Arizona benchrest ace Charles Greer drilled a remarkable 2.862″ 100-10X group, beating all known 1000-Yard HG 10-shot records on the books. If this record is approved (which is likely), Greer’s .300 WSM can rightfully be hailed as the most accurate 1000-yard gun in history.

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM
CLICK HERE for full-screen rifle photo.

Story compiled with help from Jason Peterson
This would be an excellent 10-shot NBRSA Heavy Gun group at 600 yards, but this target was shot at 1000 yards by Charles Greer (aka “chuckgreen” on AccurateShooter forum) on February 13, 2021 at an NBRSA Match in Arizona. Chuck was shooting his .300 WSM Heavy Gun with Borden action, Krieger barrel, and Berger 220gr Hybrids. The event was hosted by the Sahuaro 1000 Yard Benchrest Club, at Three Points Range, outside Tucson, Arizona. Though it is pending final approval, it appears this is the smallest 10-shot Heavy Gun group ever shot, anywhere, at 1000 yards, and it was centered for a 10X. That’s doubly impressive when you consider that Charles Greer achieved this at age 83! Yes “Old guys rule”!

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM
Amazing 100-10X 2.642″ (unofficial) 10-Shot Group at 1000 Yards.

This group is perfectly centered for an amazing 100-10X score. The group was range measured at 2.642 inches. For reference, the 1000-yard X-Ring is 3.00″ in diameter. The “X” itself is about 1.2″ tall. Pending final verification, this amazing target should shatter two NBRSA records. This handily beats the current single target HG score record of 100-6X held by Bill Schrader since 2005, and the single target HG group record of 3.650″ held by Tim Height (2019). For comparison, the current IBS 10-Shot 1000-yard HG group record is 2.871″ by Michael Gaizauskas from 2016. So it appears that this may be the smallest 10-shot group ever shot in competition in history. And from what we can determine, this is the first potential HG size record that also has a 100 score with TEN Xs.

Because shots are not marked in this discipline, this stunning group was a surprise to Greer: “I had no idea that I was shooting a world record target until I went back to the pits after my relay. Just as well. If I’d seen nine rounds in the X on the target, staying steady [for the last shot] would have been challenging….”

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM

Forum member “Tom” (2016 IBS 1000-yard Nat’l Champion and holder of several IBS 1000-yard records) unofficially measured Greer’s 1K group at 2.680 inches (0.256 MOA), using Ballistic-X software. Awaiting final group measurement by the NBRSA Long Range Committee, as currently measured, this target is just under existing IBS and Williamsport 10-shot HG 1000-yard records: The current IBS HG 1000-yard group record is 2.871″ held by Michael Gaizauskas. The current Williamsport HG 1000-yard group record is 2.815″ held by Matthew Kline.

Benchrest Shooting — Sport for All Ages
Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSMCharles Greer reminded us that even senior citizens can succeed in benchrest competition: “One of the benefits of benchrest shooting is that it is a sport accessible to us even as we age. I cannot run and gun anymore like I used to do in IPSC and IDPA but as long as I can get my body and my equipment up to a bench, I can still be very competitive. That is not possible for us old guys in most sports and shooting disciplines. As I am ‘only 83′ I am hoping to squeeze a few more years of competition out of the old body before I have to pack it in for good.”

Charles is thankful for what he has achieved in this sport over many decades: “The Shooting Gods have certainly smiled on me from time to time during my brief shooting career and for that I am incredibly grateful.”

This target may also be the smallest 1K 10-shot group ever shot in competition, in ANY Class. In 2014, Jim Richards fired a 10-shot, 2.6872″ Light Gun group under Williamsport Rules at Deep Creek Range in Montana. However, Jim’s record small group was NOT centered in the 10-ring and it appear that Greer’s group could measure smaller. [Editor: Charles is no stranger when it comes to 1000-yard records. Charles is the current listed holder of two NBRSA 1000-yard score records: 3-Target HG Score: 294-8X (2010); 6-Target 2-Gun Score: 441-13X (2010).]

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM

100-10X at 1000 — This May Be a First
After looking at all the 1000-yard records from different organizations, it appears that Greer’s 100-10X score could well be a first! And it may be many years before another 100-10X score is ever shot in competition.

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM

Arizona’s Three Points Range is known for its windy conditions. So much so that small groups are not common in match reports. 6mm cartridges that are commonly shot at other 1000-yard benchrest competitions are rarely shot at Sahuaro 1K BR Club matches. The bigger calibers dominate here.

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM

Charles Greer NBRSA 1000-Yard Heavy Gun Specifications:
Action: Borden BRMXD drop port
Barrel: Krieger 30″ 4-groove, 1:10″ twist, custom contour 1.35″ tapered to 1.00″
Chambering: .300 Winchester Short Magnum (WSM)
Chamber Specs: .337 neck with .280 freebore
Stock/Weight: McMillan/Wheeler LRB (solid fill) stock at 27 pounds
Gunsmith: Gerald Reisdorff
Optics: Vortex Golden Eagle 15-60x52mm
Front Rest: Sinclair Competition with 4″ Edgewood bag
Rear Rest/Bag: Wahlstrom mechanical rear rest with custom Edgewood bag

Load Details: Norma .300 WSM brass, Alliant Reloder 23 powder, Federal 210M primers, Berger 220gr LR Hybrid bullets at 2800 FPS

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM

Upside-Down (Wider Base) Stock Rudder Improves Rifle Tracking

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSMGreer has done something clever with his McMillan/Wheeler benchrest stocks. He has flipped over (inverted) the adjustable metal rudder (or keel) that runs on the underside of the buttstock. This provides a wider, flat tracking surface. The inverted rudder runs in a special sandbag on a Walhstrom mechanical rest. NOTE: Mechanical rear rests ARE legal for BOTH Heavy Guns and Light Guns under current NBRSA rules (see page 24). Shown at right is Greer’s Light Gun, but his Heavy Gun has the same system.

Charles explains: “Both my LG and my HG are of the same configuration except for additional weight in the stock of the HG. I decided to do this so that I would not need a separate rest system for each gun which saves on expense and makes it much easier to switch the LG out for the HG during competition. No need to change rest systems and re-align everything. Both of my stocks are McMillan/Wheeler LRB models with the adjustable rudder that can be repositioned horizontally to improve tracking. The rudder has a 3/4 inch-wide base that is usually fit into an Edgewood gator bag with a flat top. I did not like the way the rifle tracked with this set up and wanted something more solid and stable.

So I found that if I turned the rudder upside down and re-installed it that way on the stock, using the same screws and holes, the top of the rudder when turned down provided me with a base 1.5″ wide with a 1/4″ rail on each side. I got a Wahlstrom mechanical rear rest and had a custom Edgewood front bag made for it with a 1.5″ separation between the ears. The rail tracks perfectly in the bag and I can tighten the ears to make it quite solid and steady. I have noticed a huge improvement in tracking with this set up. I am still refining this arrangement but plan to continue using it on both rifles. I have never seen this done and was thinking maybe your readers would be interested.”

Questions & Answers with Charles Greer

Hall of Fame short-range shooter Gary Ocock interviewed Charles Greer. This interesting Q&A dialog covers shooting styles, equipment selection, recoil management and other notable topics.

Q: Tell us about your rifle, accuracy standards, and choice of calibers and bullets for the 1K game.
Greer: I set up two rifles, Light Gun and Heavy Gun. Both will shoot 100-yard 5-shot groups in the high ones and low twos. In Arizona I want a heavy, high-BC bullet in both guns to buck the wind and want to keep the ES under 10 FPS. I’m finding .300 WSM with Berger 220 LRHT bullets and a 4 groove Krieger barrel will provide the performance I need, and I shoot this round in both rifles.

Q: Explain your rest set-up, tracking, and recoil management. And how fast do you typically shoot your strings of fire?
Greer: I am using a Sinclair Competition Front Rest along with a mechanical rear rest, both with Edgewood front bags, to give me the stability necessary to provide consistent tracking even with these relatively high recoil rounds. Almost perfect tracking and consistent return to battery in the same spot is necessary to get a record string off quickly and smoothly. I try to get my strings off in a time of between 6 and 10 seconds per round depending on conditions. Any faster and I get sloppy.

Q: What were conditions like when you shot that amazing 10-shot group?
Greer: On the day I shot the record-pending target I had the first relay. There was wind but it was light, maybe 4-5 mph and seemed steady. The flags were about halfway up to horizontal and seemed to be holding that way. My procedure is to shoot 5 sighter rounds, two to adjust my initial round on paper to the X-Ring and then three more during the last minute to check for changes in the wind. If these last three rounds stay in the Ten Ring it is usually a sign that the wind may be steady enough for me to shoot a good group. On the “record” day the last three sighters were right in or near the X-Ring and when the record target came up I quickly but carefully dumped my 10 rounds holding the scope dot right on the X. The wind apparently held absolutely steady, and I got the result you see on the target.

That is my normal shooting technique. I pretty well know during the last minute of the sighter period whether a good group will be possible. If each of my last three sighters ends up inches away from the X in different directions, I know the wind is shifty and a good group on that target is unlikely. I adjust the last sighter to the X and then dump the string the same way just hoping the wind may hold for a minute or so. Sometimes it does, but often not so much.

During the record strings there is no way to know where the rounds are going. They are not marked, and the holes cannot be seen through the scope at that distance. The 1K flags are big and heavy and not very indicative of minor wind changes so I do not try to hold off or change my point of aim unless a flag completely reverses direction during a string. I’ve found that over the years adjusting my point of aim to the X after the last sighter and then dumping my strings gets the best results overall.

Q: What is your highest shooting accomplishment so far?
Greer: Well, the highest accomplishment (if one can call it that) would have to be this 100-10X target. This may end up being the best 10-shot target ever shot in a sanctioned match. 0f course, there is a tremendous amount of luck involved in this coming together but I certainly am pleased.

I had set four NBRSA world records when I was shooting previously: Light Gun Agg in 2008, and all three possible Highest Three Target Score records in 2010, two of which still stand. The first was probably the most satisfying as was my performance in the 2010 Nationals where I placed high in several categories and was Heavy Gun Champion for Score.

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSMQ: Who do you attend matches with?
Greer: During the last year my son, Brian, has become my match shooting companion. We go out together every month. Brian was able recently to purchase the great 300 Ackley HG that I competed with and set world records with in 2010. I sold the rifle to a friend who never shot it and it found its way back into our family. Brian is now becoming a serious competitor.

Photo Right: Charles Greer with son Brian.

Q: What are your future shooting goals?
Greer: To keep on shooting our local match each month and to try to get to the Nationals once or twice more before I get too damn feeble. And to be able to see my son take my place as a regular winner when I can no longer compete.

Q: Is there any advice you would like to share with new shooters?
Greer: Make a commitment to excel at whichever discipline you choose. Get the best equipment and components that you can afford and consider each match a learning experience. At some point anything that can go wrong will go wrong and one must learn from these mistakes. Most importantly, be patient and keep coming back. In Arizona good shooting conditions are rare. You gotta be “in it to win it”. If you show up at every match you can attend eventually a great condition will appear on your relay and you will have a chance to shoot a spectacular score.

Charles Greer 1000 yard Heavy Gun HG NBRSA 10X world record group .300 WSM

Q: What is your shooting background?
Greer: I started shooting rabbits as a kid in the Mojave Desert, trained on various firearms in the military in the fifties and sixties and over the years hunted birds and large game and played with various handguns. In 2005 I moved to Tucson from Mexico the first time and, looking for an activity, started shooting IDPA and IPSC pistol matches at Pima Pistol Club. Shortly thereafter I bought a .308 Savage tactical rifle and got interested in shooting for accuracy. One thing led to another and before long I bought a better Savage varmint rifle in .300 WSM and started shooting the 1K match at Tucson Rifle Club at Three Points around 2007. I kept upgrading my equipment, started winning matches, set some world records.

After the 2011 NBRSA Long Range Nationals I felt rather burnt out on shooting. I sold all my guns and equipment and headed South looking for perhaps one more adventure. I found some but they did not include shooting as South of the border folks tend to shoot back when they hear anything go bang. I returned to Tucson in May of 2019, built a couple of new rifles, and got involved again in the monthly Sahuaro match where the most recent world record target was shot. I would like to resume shooting the NBRSA Long Range Nationals. Will not be ready this year but probably will in 2022.

Q: Have you tried other disciplines at different ranges?
Greer: I have only competed in Long Range, mostly 1000 yards but 600 yards a few times at the Nationals. I would like to try shooting “Score” and there is a monthly match at our range. May try it if I can get an appropriate rifle.

Permalink - Articles, Bullets, Brass, Ammo, Competition, Shooting Skills 8 Comments »
November 15th, 2019

Crazy But It Works — Log-Splitter Heavy Gun for IBS Competition

Can you really make a silk purse from a sow’s ear? Would you believe a winning benchrest rifle could be constructed with a stock fashioned from a cast-off log-splitter? Well it can.

Anyone who has attended an IBS benchrest match knows that this brotherhood of shooters includes some “backyard engineers” who can build amazing things with low-cost components. Consider Steve Jordan. He has built a winning Heavy Gun with a gunstock made out of a wood splitter. Check out the photo. The butt section is in the shape of a “V” like an ax. The “V” sits on an adjustable, flat rear sandbag. The flat shaft of the wood-splitter, running horizontally, serves as the main chassis and fore-end. The barrel block sits on top (with the action floated), while the flat, forward section of the shaft rides the front bag. Not only does this “log-splitter” stock work, but Jordan has won IBS matches with it! Sometimes simple and cheap beats expensive and fancy.

Sam Hall Says the Log-Splitter Has Been “Kicking Our Tails”
Sam Hall (multi-time IBS 600-yard champion) reports: “I was not at the first match (years ago) where Steve Jordan debuted his barrel-blocked, Heavy Gun stock made out of a wood splitter. From what I heard he cleaned house with it that day. When I first heard about this log-splitter rig, I thought guys were pulling my leg. But the log-splitter Heavy Gun really exists. In fact, over the past two years at Piedmont, Steve’s home-built log-splitter HG has won numerous Heavy Gun matches, out-performing nearly all the other Heavy Guns on the line, even those that cost thousands more to build.

Steve made the rifle as economical as possible. Steve’s entire stock is made from a metal wood splitter. From what I understand, Ray Lowman gave him the barrel block. This rides on the shaft of the wood splitter. With this inexpensive, simple rig Steve has kicked our tails at times! By the way, Steve’s Heavy Gun is chambered as a 6mm Dasher.”

Accurateshooter.com International Benchrest Shooters

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October 6th, 2019

Sunday GunDay: Chris Nichols’s 600-Yard Light and Heavy Guns

IBS Benchrest Chris Nichols Heavy Gun Record HG aggregate north carolina
Chris Nichols with potential world record (1.297″ 4-Target Agg) Heavy Gun Targets!

Report by Bart Sauter, Bart’s Custom Bullets
Chris Nichols is one of the best 600-yard shooters in the game. This 2019 season he compiled one of the most impressive mid-range benchrest seasons ever. Check out the stats — Chris’s nine-match, Two-Gun Group Aggregate (Agg) for the year is 1.983″! That’s under two inches average at 600 for 72 record targets fired in competition. Many 600-yard shooters aspire to shoot a single, 4-target Agg that measures 1.983″, but doing that for 72 targets is amazing!

And of the nine matches Chris shot, he took SIX Overall Two-Gun wins — a 67% win ratio. And in the process Chris also shot what is possibly the smallest 4-target Heavy Gun Agg ever recorded — 1.297 inches. Hey readers — that Agg works out to 0.206 MOA average group size — well under quarter-MOA for four, 5-shot groups at 0.34 MILES (600 yards)!

IBS Benchrest Chris Nichols Heavy Gun Record HG aggregate north carolina
Chris with 0.665″ group at 600 yards. This is the smallest HG group fired in the IBS in 2019.

The Equipment: 6mm Dasher Light Gun and Heavy Gun
Chris likes to run 1.550 stainless steel Bat “B” actions, Jewell triggers, Brux or Bartlein barrels. He prefers wooden stocks as he feels they produce a better resonance for Long Range rifles. Chris has his own stock design crafted by Johnny Byers. Imagine a Wheeler LRB stock front half mated with an McMillan ST 1000 rear section and you have Chris’ stock! It features a Wheeler-type, 4″-wide fore-end with an ST 1000 low-comb profile in the back. Both Light Gun and Heavy Gun sport Vortex 15-60x52mm Golden Eagle scopes mounted with Harrell’s double screw tall rings. Chris does NOT use either muzzle brake or tuner.

IBS Benchrest Chris Nichols Heavy Gun Record HG aggregate north carolina
Here is Chris at his home range with his Light Gun (17 lbs. max).

Chris Nichols’s Heavy Gun is a true heavy coming in at around 42 pounds. It was responsible for the HG Agg of 1.297″ (potential new world record). His season-long aggregate with his Heavy Gun was 1.861″ for 36 targets! This rifle has similar components as his Light Gun, except the barreled action rides in a barrel block in a McMillan HBR 50 BMG stock.

IBS Benchrest Chris Nichols Heavy Gun Record HG aggregate north carolina

Both rifles ride a top of a Sinclair competition rest with a Protector DR Flat Top rear bag. When Chris goes to HG gun he simply switches tops (made by Daniel Greenlaw) on his front rest to accommodate the larger forend. As Chris says ,” This keeps things simple and exactly the same. ” Just the way he likes it.

Reloading for the 6mm Dasher
Chris’s load choice for both LG and HG is Hodgdon Varget pushing 105gr Berger VLDs. He uses CCI 450 primers, seated with an old Lee hand primer. When it comes to reloading, Chris likes to keep things as simple as possible. “If people saw me reloading they’d probably laugh!” Chris revealed that he doesn’t anneal or clean his cases. He just sprays them down with Hornady One Shot Case Lube, resizes, then runs a brush down the necks, and cleans the primer pockets. The only cleaning his cases get is when he wipes the lube off of them. Chris WILL trim and chamfer as needed.

Chris says seating consistency is critical — he uses a K&M Arbor press with force dial indicator. I asked if there were certain numbers he looks for when seating. Chris replied, “I’m only concerned with consistency and not a certain number, 5 pounds or 60 pounds. It doesn’t matter as long as they are the same. I take what the brass gives me.”

Tuning the 6mm Dasher for Record-Setting Accuracy
I asked Chris what was special about his Dasher and how he kept it tuned and so competitive? His reply is something all shooters should pay careful attention to: “[Success] starts with having a good reamer, bullets and barrels. But more than that, it’s KNOWING your Cartridge, KNOWING your bullets, and KNOWING your barrels! I’ve shot it so much I just know what to do. I’m comfortable with it. I know how to get it to shoot and when it’s not, I have a pretty good idea how to get it back in tune. Once you know your equipment, then you can learn how to get the most out of it.”

IBS Benchrest Chris Nichols Heavy Gun Record HG aggregate north carolina

Chris has a range at his house and he tunes at 300 yards. He looks for consistent, 300-yard 5-shot groups of 0.600″ or less! He wants to see nice round groups! Not groups with four in and one out or vertical strings. Chris starts by finding “touch” (to the lands) then he moves the bullets .002″ off the lands and begins tuning. Chris has found that usually somewhere around .008-.012″ off the lands is where his Berger 105gr VLDs shot best. I asked Chris what’s the biggest factor contributing to his success? He said, one big thing was that he can do his own work. That’s a huge advantage.

Look for Accuracy First, Velocity Second
Early on Chris had it in his mind that for a 6mm Dasher to shoot best he needed to achieve a certain velocity range — 2990 to 3030 FPS. The problem was he wasn’t paying attention to what the target was telling him. He’d get to the speed he was looking for but the accuracy wasn’t there. Once he started slowing the speeds down and giving the barrel what it wanted, then the accuracy came! Also with the slower speeds came better consistency.

Chris Nichols’s Tuning Tips for 6mm Dasher:

• Take consistency over speed.
• Only change one thing at a time and run it to the ground.
• Every barrel is a little different, so give it what it wants.
• Pay attention to what your target is telling you.
• Don’t be afraid to REDUCE your powder load.

Chris Nichols’s Advice for New Shooters
Chris says the best thing a new shooter can do is align themselves with knowledgeable people, and if they will talk, listen! Next, be ready to buy the best equipment or be ready to buy it twice. Chris also says: “Don’t cheap-out on sighters. Sighters need to be just as good as your record rounds.”

In the Beginning — Learning the 600-yard Benchrest Game
Chris’s shooting career began in 2012. His first win came in 2014. He was shooting beside guys like Sam Hall, Larry Isenhour, Mike Hanes, Jeff Godfrey James Coffey, and Chad Jenkins, who are very tough competition indeed. He said when he won he was ecstatic and he’ll never forget it! That first trophy had him feeling like he’d just won the Nationals! Chris shot a 6BR for the first two years of his career, before switching to the 6 Dasher. I asked him why he switched? He said, “guys were starting to shoot the Dasher and winning with it!”

I asked Chris if he had a mentor and he said, “not really”. He learned by watching the guys who consistently finished Top 5 at matches and occasionally asked them a question. Not two questions, just one! Chris didn’t want to push his luck by asking too much. Then Chris would take that information and test it and apply it to his own shooting. Chris says, “he learned mainly by the ‘school of hard-knocks’. The good thing about learning that way is it sticks with you!”

Chris Nichols 2019 600-Yard Win List and Statistics

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October 19th, 2015

Water-Cooled Heavy Gun Set 1000-Yard World Record

Joel Pendergraft

Here’s something you’ve probably never seen before — a liquid-cooled benchrest rifle. No, this is not just a crazy experiment. This gun, built by Joel Pendergraft, produced a 10-shot, 3.044″ group that is still listed as the International Benchrest Shooters (IBS) 1000-Yard Heavy Gun record. Using this water-cooled 300 Ackley Improved, Joel shot the record group in April 2009 at Hawks Ridge, NC. This monster features a 12-twist, 4-groove Krieger barrel. Joel shot BIB 187gr flat-based bullets in Norma brass, pushed by a “generous amount” of Alliant Reloder 25 and Federal 210M primers.

Joel Pendergraft

This 3.044″ 10-shot group was a remarkable accomplishment, breaking one of the longest-standing, 1000-yard World Records.

Joel Pendergraft

Pendergraft was modest after his notable achievement: “What makes this so very special is to be able to celebrate the accomplishment with all of my shooting friends[.] A good friend once said that records are shot when preparation and opportunity meet. I feel blessed to have personally had the opportunity. The preparation we can individually work on and achieve but the opportunity only comes to a few. Those of you that compete in long range competition will know what I mean.”

Joel Pendergraft

Permalink Competition, Gunsmithing 6 Comments »
September 13th, 2015

IBS Gear Spotlight: Steve Jordan’s “Log-Splitter” Heavy Gun

Can you really make a silk purse from a sow’s ear? Would you believe a winning benchrest rifle could be constructed with a stock fashioned from a cast-off log-splitter? Well it can.

Anyone who has attended an IBS benchrest match knows that this brotherhood of shooters includes some “backyard engineers” who can build amazing things with low-cost components. Consider Steve Jordan. He has built a winning Heavy Gun with a gunstock made out of a wood splitter. Check out the photo. The butt section is in the shape of a “V” like an ax. The “V” sits on an adjustable, flat rear sandbag. The flat shaft of the wood-splitter, running horizontally, serves as the main chassis and fore-end. The barrel block sits on top (with the action floated), while the flat, forward section of the shaft rides the front bag. Not only does this “log-splitter” stock work, but Jordan has won IBS matches with it! Sometimes simple and cheap beats expensive and fancy.

Sam Hall Says the Log-Splitter Has Been “Kicking Our Tails”
Sam Hall (multi-time IBS 600-yard champion) reports: “I was not at the first match where Steve Jordan debuted his barrel-blocked, Heavy Gun stock made out of a wood splitter. From what I heard he cleaned house with it that day. When I first heard about this log-splitter rig, I thought guys were pulling my leg. But the log-splitter Heavy Gun really exists. In fact, over the past two years at Piedmont, Steve’s home-built log-splitter HG has won numerous Heavy Gun matches, out-performing nearly all the other Heavy Guns on the line, even those that cost thousands more to build.

Steve made the rifle as economical as possible. Steve’s entire stock is made from a metal wood splitter. From what I understand, Ray Lowman gave him the barrel block. This rides on the shaft of the wood splitter. With this inexpensive, simple rig Steve has been kicking our tails! By the way, Steve’s Heavy Gun is chambered as a 6mm Dasher.”

Accurateshooter.com International Benchrest Shooters

Permalink Competition, Gunsmithing 3 Comments »
April 27th, 2013

Offset Heavy Gun Set Three IBS 1000-Yard Records in 2012

Report by Forum Member Ian S. (aka “Nightowl”)
After taking a few years off from competitive shooting, in 2012 Mike Gaizauskas returned to the long-range rifle scene in a big way. During the course of the Virginia 1000-Yard Benchrest Club’s 2012 season, Mike set three new IBS 1K multi-match Aggregate records. Mike broke into the record-books using a very unique 300 WSM rifle that incorporates a lot “brainstorming” and help from Mike’s friends and colleagues. The record-setting rifle features a super-wide forearm which is also offset. (As viewed from the shooter’s position, the stock is wider on the left, off-setting the barreled action to the right). This Heavy Gun has proven to be super-accurate — Mike barely missed setting a new IBS 10-shot-group HG record by a couple thousandths.

IBS 1000-Yard Records by Mike Gaizauskas:

  • IBS 1000-Yard Heavy Gun Ten-Match Group Aggregate (5.6664 inches)
  • IBS 1000-Yard Heavy Gun Ten-Match Score Aggregate (95.30)
  • IBS 1000-Yard Heavy Gun Six-Match Group Aggregate (4.4935 inches)

Missed a Fourth IBS Record by a Whisker (or Two…)
In 2012, Mike came “oh-so-close” to breaking the current IBS 1000-Yard Heavy Gun 10-shot small group record of 3.044”. Using his offset HG shown below, Mike drilled a 3.046″ 10-shot group, just two thousandths of an inch (.002″) off the current record. FYI, the thickness of a typical human hair is .001″ — you can’t get much closer than that!

Mike offset Heavy Gun IBS

The record-setting gun was built with components gathered over time, which were then fitted into a new ultra-wide stock. Mike ordered two custom stock blanks from Richards Micro-Fit Stocks of Sun Valley, CA roughed to Mike’s specifications. One was for a Light Gun, and the other was for a Heavy Gun. Mike had been thinking about an offset design for some time. During the 2007 Nationals held at the Virginia 1000-Yard Club, Mike just happened to sit next to Dave Tooley for a day. Mike and Dave discussed at length Dave’s experiences and conclusions regarding offset stocks. Dave explained that an asymmetrical or offset forearm is designed to counter the longitudinal torque that occurs when the gun is fired. You can find these concepts featured a few years back in the 6mmBR.com Blog.

Mike offset Heavy Gun IBS

In addition to tapping into the mind of Dave Tooley, there was a LOT of debate among Mike’s friends regarding what shape and which side of the stock would work best to counter the barrel torque generated when launching a bullet utilizing a right-hand twist. Should the stock be wider on the left or wider on the right? Mike eventually decided to widen the forearm on the left side and apparently that was a wise decision — just check out the trophies this big rig has already hauled in:

Mike offset Heavy Gun IBS

Heavy Gun Is a 300 WSM
This record-setting Heavy Gun was chambered in 300 WSM by Mark King. The gun features a BAT Model M action mated with a 30″, 1:10″ twist Krieger chambered to a .338 neck and finished off with a muzzle brake of Mark’s design. The barreled action is held with a clamp-style barrel block. The stock incorporates stainless steel rails fashioned by Mike’s friend and machinist Steve Reimers.

Stay tuned to the Daily Bulletin. We hope to provide a follow-up story with more photos and more information on Mike’s record-setting rifle (and the ultra-accurate ammo he feeds it).

Permalink Competition, Gunsmithing 1 Comment »
June 26th, 2012

Coaxial Rear Rest on Heavy Gun Benchrest Rig by ‘Straightpipes’

Coaxial (joy-stick) rests allow both vertical and horizontal movement with a single control. If you want to make a diagonal shift in point of aim, you can do this with one, smooth, continuous movement. Until now, this advantage has been limited to front rests. Well there’s some new technology in the benchrest world. Forum member ‘Straightpipes’ has created a coaxial rear joystick rest. He built this simple, compact rear rest in his home workshop for use with his 40-lb Heavy Gun. In combination with a vertically adjustable front rest, this new rear joystick rest allows aiming to be controlled from the rear, with your left hand in a comfortable position.

Rear coaxial Rest Heavy gun

Straightpipes Rear Coaxial Rest — Design and Features
The rear rest is crafted from aluminum with a stainless steel forward-pointing joystick. Total weight, including the long, stabilizing base foot, is about 10 pounds. Though the rear rest doesn’t seem to have a large movement range, the system offers plenty of “on-target” travel. At 100 yards, the rest offers 10 MOA left, 10 MOA right, 5 MOA up, and 5 MOA down adjustment. That’s plenty of range for most targets, once you center the Point of Aim vertically using the captain’s wheel on the front rest, which Straightpipes also crafted himself. Click Square Photos Below to see Large Images.

Inside the rear cradle sits a Protektor rear sandbag, with Cordura fabric filled with ordinary sand. This fits the 3″-wide bottom of Straightpipes’ 40-lb heavy gun. There are some sophisticated components you can’t see in the photos. The rear rest can pivot (right or left slightly) to stay aligned with the front rest (as adjusted to level the cant of the rifle). Straightpipes says: “With the pivot, whatever I do to the front, the rear follows.” The basket (cradle) also employs a 20-lb bias spring system to handle the weight of the Heavy Gun. This prevents the co-axial system from binding, so it is fluid and easy to operate. Even with 20 pounds of gun weight on the rear, the joystick can be easily manipulated with a light touch of thumb and fore-finger.

Rear coaxial Rest Heavy gun

Video Shows Rear Coaxial Rest in Action
Watch the video below to see how the joystick controls the rear rest. Total joystick movement is about a 2.5″ sweep. This gives 20 MOA total windage adjustment at 100 yards, and about 10 MOA vertical.

About the Straightpipes Front Rest
The coaxial rear rest is designed to work with the massive front rest as a system, though they are NOT connected, so as to comply with IBS Heavy Gun rules. The 30-lb front rest supports exactly half the weight of the rifle and is used to set gross elevation. Windage and fine elevation is controlled in the rear. Straightpipes also designed and built his beefy front rest himself. As with his rear coaxial unit, the front rest pieces were all shaped by hand on a belt sander after being milled out. Straitpipes even “finish-sculpted some pieces with hand files the old craftsmen way.” The main center support column was milled with extremely fine threads. This allows the captain’s wheel to turn with little effort and no locking mechanism is required. Straightpipes does not need to fuss with locking knobs when he sets gross elevation. To help keep the unit from binding, there are stainless guide shafts on the left and right. These shafts slide in oil-impregnated bronze bushings.

Rear coaxial Rest Heavy gun

40-lb Barrel Block Heavy Gun with Savage Action
Straightpipes built this beautiful set of rests to work with his 40-lb Heavy Gun. Chambered in 7mm WSM, the gun features a Savage Target Action, and a Brux 32″, 1.300″ straight-diameter barrel fitted with a custom barrel nut. The barrel is clamped forward of the action in a 9″-long barrel block. This allows the Savage action to free-float. The block, also built by Straightpipes, looks fairly standard, but it has some clever design features. Between the barrel and the block there is sleeve that is slightly compressed when the block’s bolts are tensioned. This sleeve, made of a proprietary material, eliminates metal to metal contact between barrel and block. Straightpipes believes this enhances accuracy and provides some damping. Other shooters with barrel-block guns have used epoxy between block and barrel, but that makes disassembly difficult. The sleeve system on Straightpipes’ gun allows the barreled action to be easily removed from the stock. In addition, the compressed sleeve system is very stable — Straightpipes doesn’t have to fiddle with the bolt torques on his block.

‘Black Beauty’ Stock Made from Resin-Soaked Laminated Wood, with Rust-Oleum Finish
Straightpipes built the beefy stock himself. It is made from “red oak” wood soaked in resin and then laminated together with JB Weld. The rear section features a polished aluminum buttplate and twin metal “runners” on the underside, where the stock rides the Protektor Cordura bag. Straightpipes says the stock is very stable: “it absolutely does not flex or warp with changes in temp or humidity”. We asked Straightpipes about the stock finish. To our surprise, “Pipes” revealed he used inexpensive Rust-Oleum fine texture outdoor furniture paint. “Pipes” told us: “I’ve been using this stuff for years. It’s abrasion proof and tough as nails — the bags won’t wear it off. It’s solvent-proof, won’t get soft or bubble up. It cleans up with a damp cloth, just rub it down and it looks like new.”

Rear coaxial Rest Heavy gun

As designed and crafted by Straightpipes, this Heavy Gun rest system is impressive. The rear rest is brilliantly simple, and beautifully finished. But the important question is: “how does it shoot?”. Straightpipes reports that the whole system exceeds his expectations: “The rear rest actuation is smooth and positive. It works smoothly in conjunction with the front rest. Everything is working together — there’s nothing that’s fighting another element of the system. The gun tracks straight. When it returns to battery, the thing is pretty much waiting for you shot after shot.” The rear rest’s small footprint allows the “driver” to sit comfortably behind the rig. Straightpipes reports: “Shooters can ‘address the rifle’ just like a Light Gun — you’re not straining to wrap your arm around something overly massive. Anybody can shoot this, it’s a very easy gun to shoot.”

Is it accurate? In a word, “Yes”. Straightpipes doesn’t want to make claims before the rig has been tested in competition, but he says it has “shot groups at 600 and 1000 yards that would be very competitive.” We promised not to publish group sizes yet, but we can tell you that at 600 yards in good conditions it drilled some “scary small” 5-shot groups, well, well under 1/4 MOA.

Permalink - Videos, Competition, Gunsmithing 1 Comment »
April 11th, 2012

Spotlight: Ron Boyd’s Light Gun and Henry Pasquet’s Heavy Gun

After we ran our Bulletin news item about Ron Boyd’s amazing 1.462″ 5-shot group at 1000 yards, many readers wanted to see some close-up photos of Ron’s rig. Thanks to Robert Ross of the MidWest Benchrest Club, we have some photos of Ron with his ultra-accurate 6mm Dasher 17-lb Light Gun. This rifle features a BAT SV action, Precision Rifle & Tool (PR&T) “Hammerhead stock” with 5″-wide front wings, Nightforce 12-42 Benchrest scope, and Jewell trigger. Ron had just added a 30″ 1:8″-twist Bartlein barrel to the gun before shooting the 1.462″ group. That barrel only had about 40 rounds through it when it produced the near-record group. The barrel in photos below was a 28″ Benchmark, recently replaced with the new Bartlein. Ron’s ultra-accurate 6 Dasher load consists of surplus Long Range Match powder, with Spencer 103gr bullets. Ron also anneals his Dasher brass after every firing.

CLICK Small gallery photos to view full-size images

Ron boyd 1.462 at 1000 yards

Henry Pasquet’s .284 Win Heavy Gun
At the same Midwest Benchrest Club IBS match where Ron shot his small five-shot group, Henry Pasquet drilled a very impressive 3.348″ ten-shot group. This group was just .304″ off the IBS 10-shot Heavy Gun record of 3.044″ shot by Joel Pendergraft in 2009. We are told that Henry was running a straight .284 Winchester. You can see in the inset photos below that Henry uses a tuner on his barrel. He also has fitted an extra-wide front sled and a machined rear “keel” to reduce torque and improve tracking. Henry can adjust windage and elevation with BOTH his Fulghum front rest (from Randolph Machine) and his adjustable rear rest.

CLICK Small gallery photos to view full-size images

Henry Pasquet 1000 yards

Permalink Competition, News 4 Comments »
October 17th, 2009

Greatest Hits: Record-Setting Liquid-Cooled Heavy Gun

LINK: Joel Pendergraft’s Record-Setting Heavy Gun
For years innovative benchresters have experimented with liquid-cooled barrels. Joel Pendergraft was one of the first to really succeed with the concept. Joel’s monster set a new pending 3.048″ ten-shot world record, beating the existing NBRSA, IBS, and Original Williamsport Clubs’ all-time 10-shot Heavy Gun group records.

Joel Pendergraft

Joel Pendergraft

Permalink Competition, Gunsmithing No Comments »
April 19th, 2009

Joel Pendergraft Sets New IBS 1000-Yard Heavy Gun World Record

Pendergraft record Hawks RidgeYesterday, April 18th, Joel Pendergraft of Durham, NC put 10 shots into 3.048″ to set a new IBS 1000-yard Heavy Gun World record. Competing at Hawks Ridge, NC, Joel set the record with his big, 300 Ackley Improved HG fitted with an unusual water-cooled 12-twist, 4-groove Krieger barrel. Joel shot BIB 187gr flat-based bullets in Norma brass, pushed by a “generous amount” of Alliant Reloder 25 and Federal 210M primers.

This 3.048″ 10-shot group was a remarkable accomplishment, breaking one of the longest standing 1000-yard World Records. Bill Shehane commented: “This tops the NBRSA, IBS, and Original Williamsport Clubs’ all-time 10-shot Heavy Gun group records. Took a long time to do it and I for one know Joel did not back into it — he has worked harder than most the last 10 years to break this record. And just like John Voneida of the Original Williamsport Club who held this most prestigous record for so long, Joel is a super nice guy and a great competitor.”

Joel Pendergraft

Pendergraft’s fellow 1K competitors were quick to praise his accomplishment. Dave Tooley observed: “I still remember the day I suggested flat-based bullets to Joel and the laugh I got. Well he was laughing today. Couldn’t have happened to a nicer guy. Glad I was there to see it.” Posting on Benchrest Central, “4Mesh” wrote: “Couldn’t happen to a nicer guy! That gun showed some serious promise last year at the World Open and anything that cranks off targets like the one you shot there, has what it takes.” Jim Hardy added: “The new record is great but no better than the fine man who shot it. Everyone who knows Joel will say the same thing — he is one of the finest men you will ever meet. He lives the life, and walks the walk and has paid his dues in the 1000-yard BR game to get the record.”

Joel Pendergraft

Joel Pendergraft

Pendergraft was modest after his notable achievement: “Some of the words spoken are too kind. What makes this so very special is to be able to celebrate the accomplishment with all of my shooting friends[.] A good friend once said that records are shot when preparation and opportunity meet. I feel blessed to have personally had the opportunity. The preparation we can individually work on and acheive but the opportunity only comes to a few. Those of you that compete in longe range competition will know what I mean.”

Joel Pendergraft

Permalink Competition 8 Comments »
September 24th, 2023

Sunday GunDay: 25 BR Benchrest Rig — The .25 Caliber Option

Darrel Jones 25 br peppermint rifle

They say that a man can never have too much money or too much time. Darrell Jones would add that a man can never have too many BR-based rifles. Darrell had a fleet of BRs, in 22 BR, 6mm BR, 6.5 BR, 7 BR, and 30 BR. But he was intrigued by the potential of a rifle in the .257 caliber. Could it shoot as well as a 6mm BR? Could it challenge the more popular calibers in the highly competitive 600-yard benchrest game? Through careful research and component selection, Darrell created a 25 BR rifle that proves the viability of the 25 BR as a competition round. Pushing 115gr high-BC Berger bullets at 2837 fps, Darrell’s 25 BR “Peppermint” won first place in its very first match.

The Barely Bigger BR — Exploring the .25 Caliber Option

Rifle Report by Darrell Jones
I decided to build a 25 BR after several weeks of deliberation and ruling out a .257 Ackley Improved. Part of my dilemma was that I wanted to shoot F-Class competition at 600 yards, and I was unsure about the accuracy potential of the 25 BR. However, I currently have several BRs chambered in 22 BR, 6BR, 6.5 BR, 7 BR, and 30 BR and they all shoot exceptionally well at 600 yards. This lead me to believe a 25 BR should deliver fine accuracy, just like its other BR siblings. Why wouldn’t a 25 BR shoot accurately provided that I built it with the right components? The feasibility saga began. I began searching diligently for custom 25-caliber bullets. Unfortunately, there are not many 25-caliber custom bullet makers. I actually found only two custom bulletsmiths who produce the 25s. I did look at Fowlers and then looked at Bergers. Both Jeff Fowler and Berger made 110-grain flat-base bullets when I was looking. [Editor — this 110gr bullet is no longer listed by Berger]. The Berger 110gr FB bullets (.414 ballistic coefficient) shot very well out of my 12-twist 25-06 Ackley. However, I wanted to shoot a heavier bullet if possible. Berger makes a 25-caliber 115gr VLD boat-tail with a high ballistic coefficient. This needs a 10-twist barrel.

Panda Action, McMillan Stock, Weaver T-36
As you can see, I went with a Panda polished action and a weighted McMillan BR stock painted metallic silver with red candy cane stripes thus the name “Peppermint”. This gun actually does double duty now as a 25 BR and 6 PPC switch barrel. When I want to run the gun as a 6 PPC for short range, I simply screw on the PPC barrel, then swap in a bolt (fitting the PPC bolt face) from another Panda action I own. That’s one advantage of owning custom Kelbly actions! Don’t even think about exchanging bolts between factory guns. Kelbly rings and a Weaver T-36 fixed-power scope handle the optical duties while a Jewell trigger set at one ounce takes care of the firing mechanism.

Chambering for the .25 Caliber BR Wildcat

I wanted a chamber that would let me shoot both the 110s and the 115s. I took some time surfing the net looking for rental reamers that had suitable throat dimensions. I found that Elk Ridge Reamer Rentals had a 25 BR pilot reamer available. I called and Elk Ridge faxed me a reamer diagram that indicated it was designed to tight SAMMI specs. I asked how often was the reamer used and was told “not very often”.

I did want a minimum no-turn neck optimized for Lapua brass. The drawing indicated that the reamer would cut a .281″ neck and a throat of 1.0315″. This was very close to ideal, though I did have to turn two thousandths off the necks of Lapua 6BR brass after I necked it up. I resized using a .277″ bushing and the loaded rounds came out to be .279″. Realizing that this was in the ball park, I decided to go with the Elk Ridge Reamer and build a 25 BR that could shoot 110gr or 115gr bullets. Now the question was where to get a match-grade 25-caliber barrel. I called quite a few of the custom barrel-makers, including BlackStar Barrels in Texas (no longer operating). I have had wonderful success with the BlackStar barrel on my 6BR “Chantilly” — it delivered great accuracy and impressive velocities. Since the 25 BR was so similar, I went with another BlackStar. I ordered a 10-twist, 6-groove, 1.250″-diameter straight-contour tube.

After chambering, the barrel finished at 1.245″ diameter and 27.5″ inches with an 11° crown. I actually had the throat lengthened to accept both Berger 110gr and 115gr bullets. The bases of the FB 110-grainers sit flush with the neck-shoulder junction, when they are seated .010″ into the lands. With the longer 115gr VLDs, the bottom of the bearing surface (i.e. start of boat-tail) is just about even with the neck-shoulder junction.

Accurate Load Development
The barrel broke in easily with just 10 shots, using a “shoot one and clean” process. The load I started with was 31.5 grains of Varget with CCI 450 primers. The Berger 110s and Berger 115s had the same Point of Impact (POI) at 100 yards. However, the 115s impacted two inches higher at 600 yards with the same load. That shows the benefits of a higher BC. Pushed by the CCI 450s and 31.5 grains of Varget, the 115-grainers were running about 2837 FPS. I boosted the load up to 32.0 grains but I noticed primer cratering, so I backed off, settling on 31.5 grains for the 115gr Berger VLD.

Peppermint Wins at 600 Yards

Darrell Jones 25 BR peppermintFor her debut in competition, I took “Peppermint” to our local 600 yard F-class match. Shooting the Berger 115s with 31.5 grains Varget, she won with a perfect score of 200 with 14 Xs. At my club, we use a SR3 target. The X-Ring measures 3″ in diameter and the 10-Ring measures 7″. At the match there were some very good shooters with top-flight custom rifles in accurate calibers such as 6.5-284 and 22 Dasher. I was very fortunate to come out on top, but I give the credit to Peppermint’s good bench manners and outstanding accuracy.

As you can see from the target, “Peppermint” is a very accurate rifle that has proven herself in competition. It takes a good gun to finish “on top” in her very first match. So far, I’m very happy with the project, and more than satisfied with the accuracy of the 25 BR. This is definitely a worthy cartridge for Egg Shoots, 500m varmint matches, and the 600-yard F-Class game.

BR-Based Cartridge Comparison
CALIBER 22 BR 6mm BR 25 BR 6.5 BR 7 BR 30 BR
Bullet 80gr SMK 107gr SMK 115gr Berger 107gr SMK 130gr SMK 118gr BIB
BC .420 .527 .522 .420 .391 na
Load Grains 31.0 H4350 30.0 Varget 31.5 Varget 32.0 Varget 34.0 AA2460 34.0 H4198
Barrel Length 27″ 27″ 27.5″ 27.5″ 28″ 24″
Velocity 3100 fps 2880 fps 2837 fps 2851 fps 2719 fps 2970 fps

Comparing the BR-Based Variants

Now that I have several calibers in the BR cartridge family, (22 BR, 6mm BR, 6.5 BR, 7 BR, and a 30 BR), it is my humble opinion that they each have their own place. A varmint hunter’s dream, the 22 BR can push a bullet faster and more accurately than the 22-250. With an 8-Twist barrel, the 22 BR can send an 80gr SMK to 600 yards with extreme accuracy.

The 6 BR can do it all. The 6mm caliber offers a wide variety of quality bullets suitable for any shooting situation. All the major custom barrel makers produce outstanding 6mm barrels in a full range of twists. Moreover, since the 6 BR cartridge is so popular, there is a great store of knowledge about reloading for the 6 BR. It is easy to find a load that will shoot superbly in any bullet weight.

The 25 BR has proved to be easily tuneable, proficient and not fickle. You can obtain extreme accuracy without great effort in load development. The 115gr Berger offers a good high-BC projectile for this caliber, making the 25 BR a viable alternative to the 6 BR. As I’ve shown, it is competitive with a 6 BR in head to head competition.

Compared to the 25 BR, the 6.5 BR has a small edge in ballistics. However, there are not many light bullet choices available, especially from custom makers. The 123gr Lapua Scenar is an excellent bullet with a .547 stated BC, but it may be a bit heavy for the case capacity.

The 7 BR was designed for silhouette shooting, and it excels at that task. The 7 BR can push a 130 grain bullet fast enough to knock over the steel silhouettes at 500 meters with real consistency.

The 30 BR is nothing less than outstanding. The 30 BR is now the dominant cartridge on the benchrest Score-shooting circuit. It is also highly accurate for group shooting at 200 yards and very capable of winning a 600-yard F-Class match. Barrel life of over 6,000 rounds is realistic.

I like all the “flavors” of BR derived from the 6mm BR Norma case. However, if I could only have one BR in my safe, give me my 8-Twist, 6 BR “Chantilly” and I will be a happy camper. The final point I would make is if a cartridge is stamped BR on the case, it will shoot extremely accurately if you can.

dj's brass darrell jones

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September 3rd, 2023

Sunday GunDay: Eight Great Forum “Pride and Joy” Rifles

AccurateShooter.com Pride Joy F-Open KW Precision wood stock
Here is beautiful F-Open rig crafted by Forum member CigarCop of KW Precision LLC. It features a laminated wood stock with stunning figured walnut on the outside.

One of the most popular items in our Shooters’ Forum is the ongoing “Pride and Joy” thread. Since 2009, Forum members have posted photos and descriptions of their most prized rifles. Here are some of the most popule “Pride and Joy” rifles showcased in our Forum. Do you have a gun you’d like to see featured there? Just Register for the Forum and you can add your favorite gun to the list. You’ll enjoy the Forum, which recently hit the 70,000-member mark!

600/1000 Benchrest Light Gun for Richard Schatz in 6 BRA

Alex Wheeler Pride Joy Richard Schatz Benchrest IBS

This blue benchrest rig was crafted by Alex Wheeler for ace benchrest competitor Richard Schatz, a past 600-yard IBS Shooter of the Year. Richard’s new 600/1000-yard Light Gun features a Krieger barrel chambered in 6 BRA (40° Ackley version of 6mmBR Norma). That Krieger is mated to a 1.550″ BAT B action, ignition-timed for smooth bolt close and increased accuracy. The trigger is the sophisticated Bix’n Andy. Schatz’s BAT is glued and screwed into a Wheeler LRB stock, with aluminum rails and adjustable metal “tracking rudder” on the toe of the stock. The rudder can be adjusted side to side to ensure optimal tracking, while the rudder’s vertical angle can be adjusted slightly with shims.

Hand-Crafted Thumbhole-Stocked Rifle Chambered in 6 PPC

Grimstod 6mm 6 PPC thumbhole wood stock Kelbly Panda

Forum Member Grimstod offered this handsome 6 PPC custom with a beautiful, hand-made thumbhole stock: “This was fully accurized with Premier Accuracy recoil lug installed. Really makes these shoot a lot better. It features a Kelbly Panda action with Hart barrel and glass bedding. Trigger fall was perfect to start and we have to give Ian Kelbly big thumbs up for making every action perfectly timed.” On top is a March competition scope. See more photos at www.premieraccuracy.com.

A Wicked Accurate Big Dawg in 28 Nosler

28 Nosler Benchrest Big Dawg

This 28 Nosler Benchrest rifle looks good and shoots even better — check out that 20-shot target shot at 200 yards! You can’t argue with that…

Alex Wheeler Pride Joy Richard Schatz Benchrest IBS

Belonging to Forum member LA50Shooter, this rig is chambered in 28 Nosler, with metal work by Gre-Tan Rifles. The action is a BAT Model “L” 1.650 Octagon with a 30 MOA scope rail, running a Jewell BR Trigger. The stock, from D&B Supply, is a Shehane Big Dawg Tracker with 5″ fore-end. Color scheme is “Field & Stream” Rutland laminate. This big rig boasts FOUR 34″ Benchmark barrels (1.5″ for seven inches tapering to 1.225″ at muzzle).

A Pair of Score Benchrest Beauties

benchrest for score 30 BR Kriger Nightforce March

Forum member JimPag showcased two new Benchrest-for-Score rifles. The rig on the left, smithed by Dwight Scott, features a Farley Black Widow RBLPRE (with Bix’n Andy trigger). It features Pistachio and Carbon Terry Leonard stock glued and screwed by Sid Goodling. The barrel is a Krieger 23.5″ chambered in 30BR with a Mike Ezell tuner. It’s topped with a Goodling-built 1-piece Davidson base and a Nightforce 42X Comp scope. The rifle on the right, smithed by Sid Goodling, features a Marsh Saguaro RBLPRE Action with Bix’n Andy trigger, and March 36-55X scope. This rifle boasts a rare Screwbean Mesquite and carbon stock by Terry Leonard. The 23″ Lilja bbl is chambered in 30 Thrasher with a Goodling tuner. (30 Thrasher is longer 30 BR case developed by Joe Entrekin). Jim also has two other barrels for this action in 30 BR and 6 BRAI. On top is a Sid Goodling-built one-piece Davidson base with a March 36-55X scope.

6BRA with BAT Action, Brux Barrel — The Blue Beauty

.284 Win remage rifle claro Walnut
.284 Win remage rifle claro Walnut

Next is a blue 6BRA beauty from Forum Member RiflePainter: “This is my brand new 6BRA Light Gun built by Jason Danley at Danley Precision! Jason did all of the work including paint. Brass was done by Darrel Jones at DJ’s brass service.” This features a Johnny Byers stock painted in HOK Custom Oriental Blue Candy mix. The action is a BAT DS Left-load, Right-eject, Right bolt fitted to a 1.5 oz. Jewell trigger. The barrel is a 28″ Brux HV 1:8″-twist chambered for the 6BRA (6mmBR Ackley) and fitted with a Harrell’s radial muzzle brake. On top is a Sightron SIII 10-50x60mm optic riding in BAT 1-piece scope rings.

Rem 700 in Manners Stock — .284 Winchester for Hunting

Remington 700 Tom Manners STOCK U.S. Optics hunting rifle .284 Win Winchester

Here’s a Rem 700 enhanced with a Manners Elite TA stock and other upgrades. Forum Member NickB1075 says: “Here is a rifle I finished for hunting this year. It’s a bit heavy for New York woods carry but it just shoots great. Maybe I will have to get one of those fancy Proof Research barrels to lighten it up a bit.” Nick is running a Benchmark 1:8.5″-twist barrel chambered in .284 Win with 0.315 neck for shooting 150gr Barnes bullets. Nick added a Jewell trigger and on top is a U.S. Optics B10 Scope.

When Only the Biggest and Boldest Will Do — .50 BMG

.50 Fifty BMG Barnard Action Ordnance barrel muzzle brake

No “Pride and Joy” feature would be complete without a Big Boomer. This impressive .50 BMG, “61 inches of big bore goodness”, weighs a whopping 49 pounds (95 lbs. complete with case and accessories). This rifle’s proud owner, forum member 6MT, says everything on this black beast is jumbo-sized: “Yes, I can stick my finger clear through the ports in the muzzle brake!” The rifle boasts a U.S. Ordnance 31″ heavy-contour barrel fitted to Barnard GP action. The stock is a “Big Mac” from McMillan. No optics yet — 6MT says he is “looking at an ATACR 7-35x56mm with a Spuhr mount… As soon as my wallet recovers!”

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August 27th, 2023

Sunday GunDay: 6GT Cartridge for PRS/NRL Competition

6GT Cartridge Alpha Munitions GA Precision PRS NRL brass 6.5x47 Lapua fire-formed neck-turn project

For today’s Sunday GunDay story, we feature highlights from two in-depth reports on rifles built around the relatively new 6GT cartridge (also known as the “6mm GT”). Developed by George Gardner (G.A. Precision) and Tom Jacobs (Vapor Trail), the 6GT was designed to feed well from magazines, be more efficient than the 6mm Creedmoor, and offer outstanding accuracy. It is just enough bigger than the 6mmBR or 6 Dasher so it feeds better. But it retains many of the qualities of the 6mmBR (high efficiency and outstanding accuracy). Burning significantly less powder than the 6mm Creedmoor, the 6GT is a bit less expensive to shoot, and should, theoretically at least, deliver better barrel life.

“The [6GT] is a more predictable and barrel-friendly cartridge than the 6mm Creedmoor. It can utilize the accurate and forgiving powders of the 6BR, has fantastic accuracy, and due to its shoulder angle and case length, it doesn’t suffer from feeding issues.” — PewPewTactical.com

We should say that the 6 Dasher has been used very successfully in PRS/NRL competition, with some aftermarket magazine accessories. For this reason, if you already shoot a 6 Dasher, moving to a 6GT may not be worth the cost of new dies and new brass. A.J. Deysel, writing for LoadDevelopment.com, writes:

“The longer case of the 6mm GT means it feeds as reliably from a magazine as a 6mm Creedmoor, and offers slightly higher powder capacity and in turn velocities than the 6mmBR variants, whilst still being able to use the same accurate and forgiving propellants.

load development 6GT 6mm GT report cartridges

You will also find many competitive and average Joes shooting 6mmBR and 6mm Dashers with a Primal Rights or some other mag conversion kit, having very few if any mag-feed issues at all, so that pretty much also nullifies the need to move away from those [chamberings] if you already own one of those or the reloading equipment for it.” — LoadDevelopment.com

Part I: The 6GT Cartridge for Precision Rifle Competition

Report by Vu Pham
I was ready to build a 6 Dasher when I saw a lot of buzz… about a new caliber George Gardner (Owner of G.A. Precision) and Tom Jacobs (Owner of Vapor Trail Bullets) designed, the 6GT. After some research and talking to George, I ditched the 6mm Dasher build and had GA Precision build me a 6GT on a GAP Templar action I already had in the safe. The reasons to try the 6GT in a new PRS-style rig were as follows:

1. Push a 110-115 grain class bullet at 2880-2930 FPS safely in the Sacramento heat.

2. Achieve a load that is reliable and predictable. The caliber must be easy-to-tune and predictable from barrel to barrel. I don’t want to spend weeks developing a new load each time I spin on a fresh barrel.

3. Be able to run the same mag in all my guns without having to tweak or use mag kits. The round must feed from AICS and AW magazines without major tweaking or hiccups.

4. Get good barrel life. The barrel needs to go 2200-2500 rounds with match-grade reliability and accuracy.

5. Have a competitive cartridge with the least possible recoil without sacrificing too much performance down range, compared to bigger options like the 6mm Creedmoor.

6GT Cartridge Alpha Munitions GA Precision PRS NRL brass 6.5x47 Lapua fire-formed neck-turn project
6GT feeding from un-modified magazines has been flawless in all the rifles we tested. The 6GT feeds so well, I sometimes have to do a press check to ensure there is a round in the chamber.

On paper the 6GT seemed like the perfect cartridge for PRS- and NRL-style competition. It has the low recoil of a 6 Dasher, with good feeding and mag compatibility. With the 6GT, a competitor can push 105gr bullets at 3000+ FPS or run heavier bullets at 2800-2900+ FPS.

6GT Cartridge PRS NRL brass 6.5x47 Lapua 6GT 6mm Dasher cartridge fire-formed neck-turn project

Knowing that I would initially have to make my own 6GT brass and do quite a bit of load development, I enlisted the help of Dan Bertocchini with CS Tactical. Dan has a lot more experience with wildcats and is the man when it comes to this type of data gathering. He has been running a 6 Dasher for a few years so I was curious how he would compare the 6GT to his 6 Dasher.

Quick Summary: “I am really digging the 6GT and the capabilities it offers. It can launch 103gr Vapor Trails at 3000+ FPS or lob heavy 115gr DTACs in the low-to-mid 2900s comfortably. I think we will see this cartridge go mainstream in PRS/NRL-style competition in 2020.” — Vu Pham

The new 6GT Cartridge Was Tested in Three (3) Tactical Rifles:

Rifle 1: Vu’s 6GT 1.0
Builder: GA Precision
Action: Left Hand GAP Templar (large firing pin)
Barrel: Bartlein 7.7 Twist finished at 26″ with a 419 Hellfire Brake
Stock: KMW Sentinel
Optic: Vortex Razor Gen II 4.5-27x56mm EBR-7C MRAD
Bi-Pod: Harris
Trigger: Timney Calvin Elite
Magazines: AICS and AW
Support Bag: Wiebad Fortune Cookie

Rifle 2: Vu’s 6GT 2.0
Builder: Rubicon Precision
Action: Impact Precision 737
Barrel: Bartlein 7.0 Twist finished at 27″ with a 419 Hellfire Brake
Stock: XLR Industries Envy Chassis
Optic: Vortex Razor Gen II 4.5-27x56mm EBR-7C MRAD
Bi-Pod: Harris with Henderson Arca adapter
Trigger: Trigger Tech Diamond
Magazines: AICS and AW
Support Bag: Wiebad Fortune Cookie

Rifle 3: Dan’s 6GT
Builder: CS Tactical
Chambered by: Rubicon Precision
Action: Lone Peak Arms Fusion
Barrel: Proof 7.0 Twist finished at 28″ with a Muzzle Brake and More Brake
Stock: XLR Industries Envy Chassis
Optic: Minox ZP5 5-25x56mm MR4
Bi-Pod: Arca Cyke Pod (PRS)
Trigger: Trigger Tech Diamond
Magazines: MDT
Support Bag: Armageddon Gear OG Game Changer, Waxed Canvas

6GT Cartridge Alpha Munitions GA Precision LabRadar PRS NRL brass 6.5x47 Lapua fire-formed neck-turn project

Alpha Munitions Pre-Production 6GT Brass
6gt brass cartridge Alpha Munitions PRS 6mm DasherGeorge Gardner was kind enough to send us 50 pieces of Pre-Production Alpha 6GT brass for preliminary testing. Like the cases I formed from 6.5×47 Lapua brass, the Alpha 6GT brass will use a small rifle primer. Purchased direct from Alpha Munitions, 6GT brass is now $1.30 per case, which is comparable with Lapua 6mm Creedmoor brass, currently $120.99/100 at Grafs.com.

The major difference between 6.5×47 Lapua-formed brass and Alpha 6GT brass is the case capacity. Alpha 6GT brass has 1.5 to 1.7 grains more case capacity. When a piece of 6.5×47 Lapua brass is formed into a 6GT, the walls of the case now become the shoulder and part of the neck. In a normal piece of brass, the shoulder and neck are typically thinner because of the thickness of the brass tapering from the body to neck.

While the cartridge design was optimized for Hodgdon Varget, the extra case capacity of the Alpha 6GT brass opens the door to Hodgdon H4350 (my favorite powder) and Alliant Reloder 16.

Test Results with Alpha Munitions 6GT Brass
Initial test results were as expected from a premium brass-maker. Dan and I both got excellent Standard Deviations and Extreme Spreads over my MagnetoSpeed V3 and his LabRadar. This string below was with 112gr Barnes Match Burners and 33.8 grains of Varget. Can’t complain about a 3 FPS Extreme Spread!

6GT Cartridge 600 yard target PRS NRL brass 6.5x47 Lapua fire-formed neck-turn project

Yes, H4350 Works with the Alpha Munitions Brass
Personally, I prefer running Alpha 6GT brass with H4350 rather than Varget pushing a heavier bullet. H4350 burns slower and cleaner which should equate to better barrel life. The Lapua-formed 6GT cases just do not have the capacity to reach the cartridge’s full capability with the slower burning powders.

Is the 6GT cartridge accurate? Definitely. Here is a 5-shot group at 600 yards shot by Dan. This was Alpha 6GT brass, with Hodgdon H4350 pushing Barnes 112gr Match Burner bullets.

6GT Cartridge 600 yard target PRS NRL brass 6.5x47 Lapua fire-formed neck-turn project

PART II — 6GT Load Development with Multiple Powders

This text is taken from a full report by Mike McCasland on his 6GT (aka “6mm GT”) bolt action rifle. This rig was designed for general use, not just for PRS/NRL matches. In his 6GT rifle, Mike tested multiple powders including Varget, H4350, Reloder 16, Reloder 15, Shooters World Precision, and Vihtavuori N140. For more details, CLICK HERE for full report.

About the 6mm GT Cartridge

mike mccasland 6mmGT 6 GT alpha brass 6BRA PRS F-ClassBRASS — The first thing you’ll find is cartridge brass choices for the 6 GT are rather limited currently. At present, the only commercial options are Hornady and Alpha Munitions. For the die-hard Lapua fans, you can technically make 6mm GT brass from 6.5×47 Lapua, however that process is very labor-intensive.

I have used both Hornady and Alpha brass in this rifle and haven’t noticed much difference between the two. I will say that my batch of Alpha brass was slightly softer than Alpha brass I’ve used in other calibers; you could feel a difference when neck turning cases. I’m unsure if that’s a batch issue, or something specific to their 6mm GT brass as a whole. As far as performance, there was little discernable difference. Oddly enough, the Hornady brass seemed to have slightly less case capacity than the Alpha; with most other cartridges it’s the other way around.

POWDERS — The 6mm GT was designed with Hodgdon Varget in mind, and that popular powder works exceedingly well in this platform. That said, the 6mm GT can work with a wide variety of powders, some yielding better performance than Varget.

mike mccasland 6mmGT 6 GT alpha brass 6BRA PRS F-Class

I’ve tried a multitude of powders during my initial 6mm GT load development: Varget, Shooters World Precision, RL16, VV N140, H4350, and RL-15 to name a few. In my barrel, Hodgdon H4350 seems to deliver the best velocity/accuracy combination. SD and ES also seemed to be the lowest with H4350.

Load Development for the 6mm GT — Many Powders Tested
mike mccasland 6mmGT 6 GT alpha brass 6BRA PRS F-Class

BULLETS — The most common 0.120″ freebore chamber allows for the majority of high-BC 6mm projectiles found in both F-Class and PRS. I had good luck with the pointed 107gr Sierra Match Kings (SMK), as well as the 110gr Hornady A-Tips in my rifle. For those looking to run the heavier 112-115 grain 6mm offerings, I believe GAP designed a 0.160″ freebore reamer that gets those bullets out of the neck/shoulder junction. Shown below is the 0.120″ freebore JGS reamer print:

mike mccasland 6mmGT 6 GT alpha brass 6BRA PRS F-Class

mike mccasland 6mmGT 6 GT alpha brass 6BRA PRS F-ClassSUMMARY — Good Cartridge with Much Potential
Generally speaking, I think the 6mm GT is a good little round. Some may not subscribe to this theory, but I believe some cartridges are inherently easier to tune than others. I’m not sure the 6mm GT is as easy-to-tune as a 6mmBR, 6 Dasher, or 6 BRA, but I don’t think it lags that far behind.

With relatively little trouble, I was able to find loads with both Varget and H4350 that would consistently shoot very well — 0.2 to 0.3 MOA. Moreover, I found the 6GT cartridge lives up to the velocity claims made by G.A. Precision. I was easily able to push the 110gr A-Tips to 2950 FPS, and the 107gr SMKs to low 3000 FPS range without any pressure signs, or unnecessary wear and tear on the brass.

As a fun test, I ran my 6mm GT rifle in a local 1000-yard F-Class match with the 110gr A-Tips, just to see just how well they would perform. Although wind conditions of the day and some E-Target issues prevented my 6mm GT rig from getting the better of the larger 7mm and .30-Cal rifles, the 6mm GT proved itself an accurate little round at distance. Here is a 1000-yard ShotMarker target:

mike mccasland 6mmGT 6 GT alpha brass 6BRA PRS F-Class

After putting several hundred rounds through my 6mm GT rifle, I anticipate building another 6GT on a repeater action to give PRS a try. I think if you are looking for a dual-purpose rifle that can run tactical matches (with 100% feeding reliability), and can also be used for mid-range, F-Open Class competition, the 6mm GT would be a very good option.

About the author, Mike McCasland:
Mike McCasland is an avid shooter who competes regularly in F-Class matches. Based in Texas, Mike is the creator of the Texas Precision YouTube Channel. There you’ll find many videos covering reloading, gun projects, and marksmanship. Mike has done some notable product reviews including a comparison test of Micrometer Competition Seating Dies. To access Mike’s YouTube Channel, CLICK HERE.

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August 13th, 2023

Sunday GunDay: F-Open Rifle Chambered for .284 Win Improved

.284 Win F-Class F-Open Rifle Emil Kovan Brux BAT M Master Class Bernosky

Emil Kovan is one of the top F-Class shooters in the world. He won the 2014 United States F-Open Championship, finished second at the 2015 USA Nationals, and then finished second at the 2016 Canadian F-Open Nationals. Most recently Emil was a member of the World Championship-winning F-Open Team USA that competed this spring in South Africa. He definitely knows what it takes to build top-tier F-Open rifles. Today’s feature story first ran a few seasons back, and today there are some more stock and optics options, but this is still a very impressive F-Open rig. To learn more about the latest F-0pen Magnum chambering options read Emil Kovan’s recent Daily Bulletin story, Cartridges for F-Class — Rise of the Magnums.

The Anatomy of a Modern F-Class Open Rifle

Report by Emil Kovan
Kovan Match Rifles LLC, www.matchrifles.com

“What are the best components for an F-Open class rifle, and why?” That’s a question that I get asked all the time and will try to answer in this article. Two months ago, I was contacted by Duane, a gentleman I met at the 2015 F-Class Nationals. He was interested in building a rifle with the impressive Master Class Low Profile F-Open Stock, created by Carl Bernosky and Alex Sitman of Master Class Stocks.

I have known Alex Sitman for many years, and use his stocks exclusively, but was not very familiar with his new Low Profile F-Open stock. After a brief conversation with Alex, I placed an order, and had the stock inletted and bedded at my shop in a month. My first impression was “Wow that’s a long stock” — the forearm is significantly longer than on the original Master Class F-Class prone stock. I bolted the barreled action in, and squeezed the end of the forearm and barrel together, the stock flexed a little bit, but not as much as other designs that I have tested. I think that’s due to having “more meat” in the receiver area. The full stock depth continues farther forward that on some other “low profile” designs. That makes the stock stiffer in the vertical plane, reducing the hinging effect forward of the action. The stock was finished in gloss black per the customer’s request. Interestingly, I found that the multiple layers of paint and clearcoat stiffened the stock up quite a bit.

CLICK IMAGE below for full-screen version
.284 Win F-Class F-Open Rifle Emil Kovan Brux BAT M Master Class Bernosky

Low Center of Gravity Tames Torque
Compared to the original Master Class F-Open stock, the barrel sits about an inch lower. Lower center of gravity equals less torque, and that is very important when shooting heavy bullets in fast twist barrels. Another significant improvement is that the toe of the stock is flat and parallel to the forearm. I added a 3/4″ track rail in the rear, and milled the underside of the fore-end to create two parallel “rails” in the front to help the stock track better.

One of the biggest reasons why I like Master Class stocks, is the pistol grip. I don’t shoot “free recoil” and a comfortable pistol grip is super important to me when selecting a stock. The new Master Class Low Profile stock shares the same grip as the old model. This allows the stock to accommodate either a “hard hold” style or a more free-recoil style of shooting — whatever the rifle’s owner prefers. This design versatility is one reason I recommend Master Class stocks. Shooters may experiment with either shooting style to find what suits them best.

.284 Win F-Class F-Open Rifle Emil Kovan Brux BAT M Master Class Bernosky

Cartridge Choice — A 40° .284 Win Improved
Duane decided to have the barrel chambered for my 284 KMR IMP (Improved) wildcat. What is .284 KMR IMP and why choose it over the straight .284 Winchester? Improved by definition means “made better”, I took a great cartridge, and modified it to increase capacity, reduce pressure, and increase brass life.

There are many “improved” variants of the original .284 Winchester: 7mm Walker, .284 Shehane, .284 Ackley and so on. My version, the 284 KMR IMP, shares the .010″ blown-out sidewalls of the .284 Shehane, but I have further increased the case capacity by changing the shoulder angle from 35 to 40 degrees. The 284 KMR IMP allows you to almost match magnum cartridge velocity in a standard-bolt-face action. If you want to run 180gr-class 7mm bullets over 2900 FPS, it is cheaper and more convenient to have a barrel chambered in 284 KMR IMP than to spend $650 for a magnum bolt.

Tuning Loads for the .284 Win Improved Cartridges
The 284 KMR IMP seems to have two nodes, one around 2820 fps and other at 2940 fps. My match load clocks at 2935 fps with single-digit ES. Note –I selected that load based on accuracy, NOT raw speed. A lot of novice (or hard-headed) shooters make the mistake to push their cartridges to the max, and disregard more accurate loads at lower velocity.

.284 Win F-Class F-Open Rifle Emil Kovan Brux BAT M Master Class Bernosky

The sport of F-Class is rapidly growing, and the equipment used is improving constantly. I remember that only few years ago, an F-Open rifle that could shoot sub-one-inch of vertical at 300 yards was considered competitive. Now, we are pursuing sub-one-inch vertical at 600 yards! It takes a great rifle to approach that goal, but it is also up to the shooter to learn and experiment as much as possible in order to achieve success.

Dies for an Improved .284 Win Cartridge
One of the biggest challenges in campaigning a wildcat cartridge has been obtaining great dies. When searching for custom dies, it almost seems like that the odds are stacked against us. The most common problem is wait-time — custom die orders can take months to be completed. Also, most custom die makers want you to send them two or three cases, each fire-formed three times. I find that funny because if could somehow properly size the cases for three fire-forming cycles, I would not need a sizing die.

.284 Win F-Class F-Open Rifle Emil Kovan Brux BAT M Master Class Bernosky

Custom-made dies should size the case just right, but sometimes the die’s internal dimensions are slightly off, and this leads to problem number two: dies sizing too much (or even worse) too little. I had a one “custom” die that would not size the bottom of the case enough. This made the extraction of fired cases very difficult. I feel that the best option (if available) for shooters interested in wildcat chambers is to have their gunsmiths make the dies. I offer that die-making service in addition to barrel chambering.

BAT Machine “M” Action
Duane decided to use a BAT M action for this rifle, and I think that he could not have made a better choice. We are blessed with many good match-quality receivers: Barnard, BAT, Borden, Kelbly, Nesika, and Stiller just to mention a few. These are all very well-made and suitable for F-Class. Among BAT Machine Co.actions, I like BAT models M, MB, and 3LL best. I prefer these because because of their size (large bedding footprint) smoothness, timing, options available, and last but not least visual appearance.

Trigger: I recommend and use Jewell triggers. Other good options are: Kelbly, CG Jackson (good 2-Stage) Anschutz (best 2-Stage for Bat and Kelbly actions), Bix’N Andy, and David Tubb.

Barrel: Duane made another good choice here. He decided to go with a Brux 1:8.5″-twist, 4-groove cut-rifled barrel. If you look at the F-Class and Long Range benchrest equipment lists, you will see that cut-rifled barrels are currently dominating. Many records have been shot with both button-rifled, and cut-rifled barrels. I have shot both, and prefer cut-rifled barrels. I am not saying that button-rifled barrels are not capable of shooting as well as cut-rifled barrels, but on average, in my experience, four out of five cut-rifled barrels (from top makers) will shoot well, vs. three out of five buttoned barrels. YMMV, but this is what I’ve observed.

Brux Barrels is not the only company that produces very accurate cut-rifled barrels. We know that Krieger, Bartlein, Satern, and Hawk Hill Custom all make fine cut-rifled barrels as well.

Scope: Duane’s rifle was fitted with a Nightforce 15-55x52mm Competition scope with DDR-2 reticle. This optic is ultra clear, reasonably lightweight (28 oz.), super reliable, and has 1/8 MOA clicks — what you want for long range F-Class competition. In this 15-55X NF model, I like the DDR-2 reticle best, because fine cross hairs (FCH) are hard to see in heavy mirage. The DDR-2 has a heavier horizontal line, with a center dot. March scopes are also very popular and very well-made.

.284 Win F-Class F-Open Rifle Emil Kovan Brux BAT M Master Class Bernosky

Thanks for reading, and keep ‘em in the middle…

About Emil Kovan
Emil Kovan F-Class competition bio photoAlong with being a skilled, respected gunsmith, Emil Kovan has been a very successful F-Class competitor. He was U.S. F-Open National Champion in 2014, and finished second at the U.S. F-Open Nationals in 2015. Most recently he was a member of the World Championship-winning F-Open Team USA that competed this spring in South Africa. He definitely knows what it takes to build top-tier F-Open rifles.

Emil Kovan
Kovan Match Rifles LLC
www.matchrifles.com

Emil Kovan Competition History:

– 2014 F-Class Open National Champion
– 2015 F-Class Open National Championship, Silver Medal
– F-Class Open National Championship Teams, 2015, 2014, 2013, Shooting Team Member
– Over 15 wins in Regional and State Championships in Palma, F-TR, F-Open
– 2013 U.S. National Team Member
– 2023 F-Open Gold Medal Team USA Member, 2023 World Championship in South Africa

BONUS Reading: F-Open Magnum Cartridge Options

Thinking about building a new F-Open rifle? Not sure about the chambering choice ? CLICK HERE to read Emil Kovan’s recent July 2023 article outlining the most popular magnum cartridges for F-Open competition. The .284 Win is still a great option, but bigger magnums do have some advantages.

Magnum cartridges F-Open F-Class emil kovan .300 WSM RSAUM 7mm wildcat

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