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June 28th, 2020

Sunday GunDay: Trio of Tack-Driving Thumbhole Varmint Rifles

gunday sunday varmint rifles Richard Franklin Custom rifles virginia thumbhole

Mr. Smith’s Tack-Driving Thumbhole Trio
What is it they say? “Can’t have too much of a good thing?” We’ll in the case of Sam Smith of Wisconsin, that goes for beautiful wood-stocked thumbhole rifles that shoot like the blazes. This week we feature a troika of thumbholes, all smithed and stocked by Richard Franklin of Richard’s Custom Rifles (Richard is now retired but still offers DVDs). Not content with a single caliber or twist, Sam commissioned three different chamberings and barrel twist rates.

First, in Fiddleback Walnut — a 6PPC Walking Varminter
thumbhole varmint rigThe most elegant of the three thumbholes is this handsome .261″-neck 6PPC. The blue-printed Rem 700 action is pillar-bedded in a highly-figured stock of laminated Curley Fiddleback Walnut, in Richard’s #004 pattern. Richard uses three sections of wood bonded together so the outside looks like a single piece of Walnut.

The lead photo at top, and the image at right show more details of this rifle. The grain really takes on a rich color in sunlight, with the Tiger-stripe figure showing brilliantly through the clearcoat. Believe it or not, Sam doesn’t even consider this one of his best-looking rifles. Sam tells us, “these three thumbhole stocks are not even close to the prettiest guns Richard has built for me–you should see the Maple ones he did for me–they are unbelievable.”

Sam tells us the gun’s 1:14″-twist Krieger barrel is a hummer — it regularly shoots one-holers at 100 yards. Sam has even logged some groups in the Zeros with the gun–awesome accuracy for a varmint rifle/Sam tells us that, using VV N133 and 58gr V-max bullets, this gun is absolutely deadly on prairie dogs out to 500 yards. (SEE: One-hole Sample Target.)

Rifle #2 — Cherry and Walnut Together in a 6mm Rem Improved

gunday sunday varmint rifles Richard Franklin Custom rifles virginia thumbhole

When more knock-down power or more distant targets are in order, Sam pulls out his 6mm Rem Improved 1:12″-twist thumbhole Varminter. Like the other two guns, this features a pillar-bedded Remington 700 action and Krieger barrel. While the 6mm AI’s #004 stock shares the same shape and form as the 6PPC above, it is much more colorful, employing a seven-layer laminate in Cherry and Walnut, covered with multiple coats of automotive clear-coat. One of Sam’s favorite varminters, this rifle sees more range use than his 6PPC because “the PPC is so accurate I want to keep the round count down.” That’s not to say the 6mm Improved is any slouch in the accuracy department. Using VV N160 and 75gr V-max bullets, the gun averages in the 2s and 3s. The best group to date was .189″ with the 87gr V-Max (See V-Max Target below). Chalk that up to another superbly accurate Krieger barrel combined with outstanding chambering work by Richard.

6mm Rem Improved with 87gr V-Max at 100 Yards
6mm Rem improved target

Rifle #3 — Fast-Twist 6.5-284 with Benchrest Forearm

6.5-284 with Benchrest Forearm

Last but not least is Sam’s handsome 6.5-284 (below), also in a laminated Walnut and Cherry stock. The Krieger barrel is a Heavy Varmint contour, with an 8-twist and .290″ neck. This gun hasn’t been shot much yet, but during initial testing it grouped in the mid-threes with 53gr of H4831 and 142gr Sierra MKs. You’ll note the stock is a bit different than the other two guns–this is the #005 stock pattern, which boasts a 3″-wide, flat forearm. It is identical to the #004 from the recoil lug rearward. Sam tells us that the #005 tracks better than the #004, though he prefers the rounded forearm of the #004 for a walking varminter.

Sam’s all-time favorite stock pattern in Richard’s #007, a roll-over comb design with conventional wrist and Cooper-style Beavertail forearm. Sam has a similar Maple #007 that he says is “even nicer than the gun in the picture.”

Nice Wood? You Ain’t Seen Nothin’ Yet!
After this trio of thumbhole rifles, Sam commissioned two more rifles — a matched pair in 6mm BR Norma and 6PPC, done up in absolutely amazing 500 year-old Turkish Walnut, sourced from a one-of-a-kind 48″ diameter Burl. What does a piece of wood like this cost? Trust us, if you have to ask, you couldn’t possibly afford it. Let us just say these are some of the most spectacularly figured blanks ever shipped from Turkey and they are priced accordingly. Here’s a preview, taken right before Richard bonded the first stock together. The lower two pieces look lighter because of the flash angle but the upper section more accurately shows how all three pieces appear in natural light. “Wow” is right!

gunday sunday varmint rifles Richard Franklin Custom rifles virginia thumbhole

Richard Franklin is Now Retired in Montana
The last we heard, gunsmith Richard Franklin was enjoying his retirement years up in Montana. On RichardsCustomRifles.com Richard posted: “I built fine custom rifles and for many years. I was the first stock maker to laminate woods such high-grade walnut, fiddleback maple and other fancy woods. I designed my own ideas into my patterns and carved, finished, pillar bedded thousands of stocks on the rifles I built. My most popular stock pattern was my Model 11 thumbhole.

I love building rifles but my health has forced me to retire and to take time to smell the roses. I made many great videos on how to build rifles and have been selling them for many years. They are still in great demand.” CLICK HERE to check out Richard’s DVDs about rifle building and varmint hunting.

gunday sunday varmint rifles Richard Franklin Custom rifles virginia thumbhole

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April 23rd, 2020

Rebating Case Rims Let You Shoot BR Brass with PPC Action

30BR 6 PPC rim rebated Butch Lambert

Many short-range Benchresters have thought about converting their 6 PPC to shoot a 30BR for score matches, or a Dasher for mid-range (or even 1000-yard) games. That way you have a rifle that does double duty, giving you the most bang for your buck. Though an action with a PPC bolt won’t normally work with 30BR/6BR/Dasher cases with their larger .308-class rim (0.4728″ diameter), there is a pretty easy solution that allows you to cycle these bigger cartridges with a 6PPC-style bolt (designed to fit .220 Russian rims).

“Rebating case rims … lets you shoot a 30BR in score matches using your PPC action. All you need is a new barrel. This saves buying another bolt, receiver, or rifle.” — Butch Lambert

Butch Lambert of ShadeTree Engineering provided this tip. Butch notes that many 6 PPC benchrest group shooters also enjoy shooting in score matches. But to be really competitive in the BR for score game, that means shooting a 30BR, which has a wider, .308-class rim (0.4728″ diameter). Likewise, if you want to compete in 600-yard registered BR events or in varmint matches, you probably want to run a bigger case, such as the 6BR, 6mm Dasher, or 6-6.5×47. Those cartridges also have the larger 0.4728″ rims.

30Br Butch Lambers 6 PPC

Cutting Head for Rebating Rims
To convert a PPC-boltface action to shoot the bigger cases you can spend a ton of money and buy a new bolt. That can cost hundreds of dollars. The simpler solution is to turn down the diameter of the larger cases on a lathe. Butch explains: “We’ve seen plenty of interest in rebating case rims. This lets you shoot a 30BR in score matches using your PPC action. All you need is a new barrel. This saves buying another bolt, receiver, or rifle if you have a PPC boltface. Anyone who has access to a lathe can do this job pretty easily. Yesterday I turned 150 case in about an hour.” At right is the lathe form tool Butch uses to rebate the case rims.

Permalink Gear Review, Gunsmithing, Tech Tip 1 Comment »
February 11th, 2020

Short-Range Benchrest Techniques Showcased in Finland

Benchrest Shooting Finland free recoilIn these two videos from the Rekyyli Ja Riista (Recoil and Game) YouTube Channel, you can see how a modern, short-range benchrest rifle is shot. Note how the gun tracks superbly, returning right on target, shot after shot. As a result, the shooter doesn’t have to adjust the rifle position after firing (other than pushing the gun forward), so he can quickly load and fire within seconds of the previous shot. Good rests and consistent, smooth bolt actuation keep the gun from rocking.

It does take practice to perfect the right technique for shooting free recoil (or nearly free recoil — with just a pinch on the trigger guard). And, of course, you must have a very good bag/rest set-up and the stock geometry and rifle balance must be perfect. The ammo caddy also helps by placing the cartridge up high, right next to the left-aide loading port. Hats off to Forum member Boyd Allen for finding these videos. Boyd told us: “Watch carefully — Now this is how it’s done.” [Work Warning: Loud gunshot noises — Turn Down Volume before playback.]

Permalink - Videos, Competition, Shooting Skills 1 Comment »
December 22nd, 2019

Sunday GunDay: Speedy’s Stunning 6 PPC Benchrest Rifle

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engraved
“Ultimate PPC” by Speedy with engraved Stiller Viper action. Titanium Rest by John Loh (R.I.P.).

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engravedJust in time for Christmas, today we feature a beautiful red rifle built by West Texas gunsmith Thomas “Speedy” Gonzalez many seasons back. With an eye-catching, one-of-a-kind engraved Stiller Viper action, and gorgeous red/black gelcoat finish, we think this rifle is one of the prettiest benchrest rigs ever made — and the color scheme fits the holiday season.

When Speedy set out to build the “ultimate PPC” for his own use, he wanted it to be as handsome as it was accurate. This stunning 6 PPC combines some very trick components with old-world detailing. When was the last time you saw an engraved receiver on a “race gun”? This rig combines modern high-tech components with classic good looks — the best of both worlds.

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engraved

This competition benchrest rig features an engraved Stiller Viper action, with integral scope rail, SAKO Extractor and non-fluted bolt. The action sits in a new Millenium BR-X carbon-fiber stock built by Robertson Composites (now closed). The bold red-on-black marbled finish is how the gelcoat came from Ian Robertson’s factory — the stock has not been painted. The slick front rest is a titanium Ultra-Rest machined by the late, great John Loh with design input by Speedy. John built only two of these in titanium, one for himself and one for Speedy. We’re sad to say John recently passed. R.I.P. John. The Leupold Competition scope sits in quad-screw bedded rings from S.G.& Y. Precision Rifles.

Speedy picked a very special barrel for this project–a 1:14 twist, 20.5″, 6-groove barrel, the last original Pat McMillan-crafted barrel in Speedy’s inventory. Speedy runs a .263″ neck. Bushing size depends on the load and the condition of his brass. Speedy’s match load is about 29.2 grains of the IMR 8208 “ThunderBird” powder (he stockpiled this great propellant years ago). Speedy feels that T-Bird may be the most user-friendly BR powder ever made: “Once you have a good load worked up with T-Bird, you can shoot it at most any location in the country, and in almost any conditions. It’s not fussy about temperatures or humidity.”

A Very Unique Viper Action, Two Years in the Making
This is no ordinary Viper action. The full engraving attracts your attention, but there are some slick “performance mods” Jerry Stiller added at Speedy’s request.

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engravedFirst, the action features a plain-Jane unfluted bolt, with a slight taper in the middle, a bit of a wasp-waist. Speedy prefers an unfluted design because it has superior wear characteristics. He’s found, when working with an aluminum action such as the Viper, the sharp flutes on the bolt will wear the inside of the action faster. In the interest of reduced wear, Speedy also requested a smaller-sized loading/ejection port. This provides for a larger front and rear receiver ring, which enhances bolt bearing surface. More bearing surface reduces point loading for less internal wear.

We were surprised that Speedy did not order a drop port for his Viper. He explained: “I’m a bag squeezer, so I keep my forearm right where the cases would exit the drop port. I’ve used the drop ports, but given my shooting style, I prefer a conventional port.” Speedy did decide to fit the bolt with a SAKO-style extractor. He believes this is easier to tune and can contribute to accuracy. Speedy told us: “With a conventional sliding plate extractor, like you find on the Stolle actions, there can be a bit of a side push as you chamber the round. I think this can affect the way the bullet enters the chamber. With the SAKO extractor there is no side-push so I can reduce the possibility of bullet misalignment.”

BR-X Stock — American Design, Canadian Craftsmanship
The BR-X carbon fiber stock represents a third-generation design. The original Millenium, built by Lee Six, was a hollow shell. This modern BR-X is carbon fiber over a foam core. In Light Varmint trim, it weighs just 1.5 pounds. Speedy tells us: “this BR-X has a low center of gravity, slight pistol grip, and the angles are really straight and true. It tracks well in the bags, and won’t lift out of the rear bag during recoil. That’s one of the purposes of the wedge-shaped rear section.”

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engraved

Speedy looked at the various benchrest stocks, and, with input from Tony Boyer, he worked out a design that mirrored many of the better features of existing designs with some significant enhancements. The first thing you’ll notice is that the geometry is very uniform. The flats on the side of the fore-arm are perfectly parallel. The underside of the fore-arm is seamless and completely flat. Speedy explained “one problem we’ve seen with stocks that have a mold seam in the middle is that sometimes the two halves of the mold don’t mate perfectly. Sometimes the mold is mismatched so one side is on a different plane. That creates all kinds of handling issues. If the bottom of the stock is convex, even a little bit, you lose a lot of stability.”

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engravedMuch thought went into the rear section of the stock. Speedy and Tony found that many stocks would start off tracking well, but by the end of the string they were pulling themselves out of alignment. Speedy noted that with some more conventional designs, they tended to ride up out of the rear bag after two or three shots. The BR-X works differently. It uses a wedge design, rather than a radius, so it tends to drive itself down into the bag on recoil. The BR-X is not the only stock to use a wedge in the rear, but it is different than other wedge designs. According to Speedy: “On most other wedge stocks, the wedge tapers towards the pistol grip, making the ‘V’ wider towards the end of the buttstock. This will change point of aim as the stock moves. The BR-X has a wedge that is a constant ‘V’, with no taper from the end to the pistol grip. This does make the gun track better and stay on target better.”

Competition Benchrest Terminology

Bughole: Very small group.
Mothball: The 10-ring on the standard Benchrest Target.
Tomato Stake: A worn out or otherwise inaccurate rifle barrel.
Screamer: A group measuring less than 0.100″ at 100 yards or less than 0.250” at 200 yards.
Weather Report: A Group “scattered” as a result of poor wind doping.
Wailing Wall: Place where targets that have been scored can be viewed by competitors.
Dope the Wind: Ccompensate for the effects of wind by shifting aiming points on the target.

Barrels–The Hunt for a ‘Hummer’
Top 6 PPC competitors often run through a number of barrels in the quest for a “hummer” that performs optimally. In addition to the Pat McMillen tube on this gun, Speedy uses barrels from Hart, Krieger, and Shilen. He’s tried a few from some other boutique barrel makers and they shot well, but he wasn’t satisfied with the barrel life. Some of them lost their competitive edge after just 500-600 rounds. He won’t name names in print, but you can call and ask. When choosing a barrel, Speedy recommends that you invest the time and call a few well-known smiths who regularly compete in high-level BR matches. Find out what’s working real well currently.

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engravedSpeedy says, “you can read the equipment lists from the big shoots, but the printed results can be deceiving. That winning barrel might have been produced a couple of years ago. Barrel-makers do have good runs and not-so-good runs. Do your homework and find out what’s working best right now.” Speedy prefers 6-groove barrels: “I’ve shot em all one time or another. It seems that the 6-groove barrels are easier to get to shoot. It seems at 200 yards bullets from a 4-groove barrel move more than from a 6-groove barrel. Both windage and elevation. I think Tony Boyer feels the same way.” [Editor’s Note: Speedy’s groove observations were made many seasons ago. Today, many top shooters are using 4-groove and 5-groove barrels, and 3-grooves have been successful in score competition.]

We asked about Speedy’s signature “SpiderWeb finish”. While the web design has esthetic appeal, there is a functional side as well: “Tests have shown that a bead-blasted barrel will shed heat faster than a highly polished barrel. With the SpiderWeb, we leave most of the bead-blast finish on the barrel, but the web effect gives the tube some visual appeal.”

Speedy Speaks — How to Succeed in Benchrest Competition

Let me begin by saying that benchrest competition is the most difficult sport I’ve ever tried. For the newcomer, it can be daunting. From the very word “go” you are thrown to the wolves. Most new competitors have about a two and a half or three-year window. After that, if they are not meeting their expectations, they get fed up and leave the sport. Considering the time, effort, and money they may have expended in that time, that’s an unfortunate outcome.

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engravedSo, how does one improve as a shooter and get to the point where you are meeting your goals? First you need to break down the shooting process into its parts–gun handling, loading technique, wind awareness, time management, bag set-up, and what I call ‘bench management’. Then you need a mentor. Benchrest is like golf–you can have the best equipment (best action, best stock, best rest) but you won’t get far without a knowledgeable veteran to monitor your progress and observe your technique. Without a mentor, benchrest is a rough game to play and you can reach a frustration point after a couple of years.

If you don’t have somebody who can sit and evaluate your loading style, bolt-working, follow-through, and wind-reading etc., you can develop bad habits that are hard to break. If there’s no one to monitor your shooting and see what you’re doing wrong, you’ll keep making the same mistakes. So how does one find a mentor? Well it’s not a bad idea to attend one of the shooting schools. But one-on-one training is best. Look for someone with a strong record in competition, but a person who is also patient. And when you find that person, show some loyalty. With most people who have been involved in the sport a while, if you show them allegiance, they will return that allegiance.

6mm PPC Basics — About the Cartridge

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engravedDeveloped by Louis Palmisano and Ferris Pindell (left and right in photo), the 6 PPC is the “King of the Hill” in short-range benchrest competition, the most accurate cartridge ever invented. It still completely dominates 100- and 200-yard Group BR Shooting. If you want to win in that game, you pretty much have to shoot a 6 PPC, or some close variant of the 6 PPC cartridge design.

Easily made from Lapua 220 Russian brass, the 6mm PPC has a small primer and small flash hole. The small flash hole/primer accounts for much of the 6 PPC’s superior accuracy, though nobody really knows precisely how or why. The “short, fat” shape and nearly straight body contribute to efficient, consistent combustion and good “chamber behavior”.

While SAKO has created an official SAAMI 6mm PPC round, called the 6PPC USA, most American 6 PPC shooters run tight match chambers cut with custom reamers. There will be variations from one reamer to another, enough so that custom dies are generally recommended for match guns. Here is a PT&G reamer spec’d by Speedy a while back. He prefers a .263″ neck because that works better than .262″ when he needs to use his tightest bushings to get more neck tension.

Speedy thomas gonzalez 6mm PPC 6PPC 6 PPC christmas red rifle stiller viper engraved

The 6 PPC’s case capacity, case size to bore ratio, and combustion properties seem to be just about ideal for the short 6mm match bullets. A 6BR can come close, but when the goal is shooting “zero” groups at 100 and 200 yards, the 6 PPC is the clear winner. Currently most 6 PPC shooters form their cases from Lapua 220 Russian brass. Norma also makes factory-formed 6 PPC cases, but Norma brass is not commonly used as most shooters believe it is less “tough” than Lapua brass and accordingly won’t last as long with very stout match loads.

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September 17th, 2019

Old Benchrest Rifle Gets New Life as 6BR Ackley with Tuner

James Mock BAT Action Terry Leonard Stock old 87

Updating a 20+ Year-Old Benchrest Rifle

by James Mock
After owning three different rifles with BAT actions, I have become a loyal fan of BAT Machine quality and customer service. Back in 2009, I traded my BAT/Scoville for the BAT/Leonard that I currently shoot. This rifle has a long history and Terry Leonard told me that “Old 87″ (as I have named it) was one of the earlier BATs that he stocked. He wrapped the stock in fiberglass and used 2-part epoxy back then. I must say that this rifle has held up remarkably well since it dates back to the 1990s. The action is a RB/LP/RE octagon Model B with .308 bolt-face.

Rifle Has Multiple Barrels for Multiple Disciplines
With this gun, I have shot several barrels of different calibers (.22 PPC, .22 PPC-short .095, 6mm PPC, 6XC, 6mm Dasher, .30BR, and will soon have a 6 BR-AI). It has been an exceptionally accurate rifle in several disciplines. In the hands of previous owners, it earned several Hall-of-Fame (HOF) points, and a “middle-of-the-pack” shooter (me) even received a HOF point with this rifle.

James Mock BAT Action Terry Leonard Stock old 87

For most of its life, Old 87 served as a short range benchrest rifle, but I have used it for the last few years as a 600-yard rifle with the 6mm Dasher barrel. I was lucky enough to earn the Shooter of the Year award at the Prince Memorial Range in Louisiana for 2016.

After shooting my two Dasher barrels for last eight years, I have noticed a drop-off in accuracy at 600 yards. A decision had to be made — get a new barrel or sell the rifle and retire from competition. I will be 74 years old in six months and my competition days are limited due mainly to a chronic neck problem. After mulling over the decision to retire or not, I decided to give Old 87 one more year. Here is the story of how we upgraded the old war-horse.

Old 87 REBORN — Upgrading with New Components

I prefer cut-rifled barrels with four lands and grooves and have had success with .236 bore diameters and 1:8″ twist in long range rifles. I searched for barrels meeting those parameters and found a suitable BRUX at Bugholes.com (Southern Precision Rifles).

The 6BR-AI Option — Easy Fire Forming
I thought about having Billy Stevens chamber it for the Dasher, but decided to try something new. There seems to be a lot of interest in the 6BR-AI and I said, “Why not?” Well, I bought a shortened Dasher die from Harrell’s and will use my Wilson Dasher seating die. Bart Sauter was kind enough to let me use his reamer for chambering.

Fitting a New Roller-Type Cocking Piece on Older BAT Action
Since I was into the project this deep, I called Mike Ezell and ordered one of his Tungsten powder-dampened tuners. Since Old 87 had thousands of rounds since the firing pin spring has been replaced, I decided that it was probably needed. Well, I got to thinking (very dangerous) and asked Daryle Thom if it would be feasible to put a roller-type cocking piece and a new firing pin spring on such an old action.

The folks at BAT are very accommodating and they said that it would be no problem with such a conversion. While my bolt was in Idaho, the barrel with Ezell tuner arrived and I could not shoot it. However, my friend Jeff Turner loaned me his BAT bolt to see if it would work. Although the rifles differ in age by 15 or more years, the borrowed bolt worked perfectly in my rifle. This is a testimony to the great machine work performed at BAT Machine.

James Mock BAT Action Terry Leonard Stock old 87

New Bolt Roller Tail-Piece Makes a Big Difference in Cocking Effort
With the borrowed bolt I managed to fire-form 50 rounds and get them ready for our 600-yard match on September 16. The folks at BAT quickly fixed my bolt by replacing the mainspring and ejector spring, polishing the ejector, and replacing the tail-piece with their roller type. Pictured below is this tail piece that makes a remarkable difference in the force needed to cock the action. It is amazing what this little wheel can do… even when placed in a 20+ year old action.

James Mock BAT Action Terry Leonard Stock old 87

Working with the Ezell Barrel Tuner — Small Increments Work Best
Also, I would like to congratulate Mike Ezell on his new tuner which contains powdered Tungsten. It is easy to set up and Mike will help a buyer get maximum effectiveness from the unit. Just give him a call. Below is a picture of the tuner. I was lucky enough to have some time to “play” with it before the match.

Talking about the tuner, Mike writes: “Our new barrel tuners…
PDT stands for particle dampening technology. The science is there, we just applied it to a barrel tuner. The advantages are a wider tune window and more efficient control of barrel harmonics…in a tuner design that actually looks good.”

Mike advised me to set the tuner by turning it all the way into the shoulder and then come out to zero or the second time zero comes up if there is not at least half of a turn between the shoulder and the first zero. It is best to start with a proven load and adjust the tuner from that load. As unlikely as it seems, a rifle can go from a good tune to a very poor tune with only 5 marks (.005”) and vice versa.

James Mock BAT Action Terry Leonard Stock old 87

Mike cautions those who use his tuner to NOT make adjustments which are too large. As a matter of fact, he recommends adjustments of .001 inch at a time. Ezell’s tuners are screwed onto the barrel with .900” by 32 threads per inch and has 32 marks on the circumference of the tuner. Therefore, each mark moves the tuner in or out by .001 inch. There are three set screws with Teflon tips which provide friction for the tuner on the threads. Do not tighten the screws so tight as they damage the fine threads.

If you want the smoothest bolt possible for your BAT, call or e-mail Daryle or Bruce Thom at BAT Machine and discuss your needs with them. I am sure glad that I did. If you want a state-of-the-Art tuner for your barrel, give Mike Ezell a call or visit his Ezell Custom Rifles Facebook Page.
— Good shooting, James Mock

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June 30th, 2019

Sunday Gunday: Bart’s 6PPC Drills Five Shots in .088″ at 200!

Bart Sauter Bart's Bullets 200-yard East Meet West
This would be an amazing group at 100 yards. But this 5-shot bughole was shot at TWO HUNDRED yards in competition by Bart Sauter of Bart’s Custom Bullets. And he did it with a borrowed barrel!

Be amazed. This five-shot group was shot at 200 yards in competition by bullet-maker Bart Sauter. Bart shot this astounding group with his 10.5-lb Light Varmint benchrest rifle at the recent East-West Match in St. Louis, Missouri. Had Bart been shooting an IBS match, this would have been a new IBS World Record, beating the .091″ by David Farrar in 2006. This .088″ group missed the NBRSA 200-yard 5-shot group record by a whisker — .013″ (thirteen thousandths). The listed NBRSA LV 200-yard Group record is 0.075″ shot by Johnnie Stewart a decade ago.

New record or not, this is one remarkably impressive group, shot by one very talented shooter and bullet-maker. Bart tells us he initially “held center” for the first three shots in the group. Then, watching his wind flags he noticed slight increase in the left-to-right condition, so he held 0.200″ to the left on shot 4 and it worked. Before shot 5, Bart detected another slight change, so he held 0.300″ left for the fifth and final shot. He explained: “If I had not held off for those last two shots, this group would have been about a flat four (0.400″).” Well done Bart!

“First three … bang bang bang … all went in one hole. Then I held left on shot 4 and it worked. On the last shot I held a little more, got lucky and it went in.” — Bart Sauter

In our Shooter’s Forum, Bart posted “This is my personal best-ever 5-shot group at 200 yards. I knew it was small, but was shocked to see it was a Zero! This will be a range record and record for the East/West match. Last group of the day! A nice way to end the match!”

Bart Sauter Bart's Bullets .088 6PPC one-hole group 200 yards amazing

Here is the 6PPC LV rifle that shot the .088″ group. Yes that’s a concrete shooting bench inside a pretty nice cabin with hunting trophies on the walls. Bart explained: “We reload and shoot out of the Monkey Hut, especially during the winter. Most of the time we shoot outside at 100/200 from a a three-bench range.

Amazing Group Shot with Borrowed Krieger Barrel!
There’s a very interesting side-note to this story. You see Bart doesn’t even own the Krieger barrel that delivered this amazing .088″ 200-yard group. That’s right this superb barrel was a “loaner” — borrowed from Bart’s buddy Gary Sullivan. [Editor: Oh that we could all be so lucky with borrowed components.] With Sullivan’s blessing, Bart has since loaned the barrel yet again to ace Billy Stevens, who will be using it at the World Benchrest Championship in Canada, July 14-21, 2019.

Bart Sauter Bart's Bullets 200-yard East Meet West
This photo shots Bart on the right and his good friend Billy Stevens on the left. Bart notes: “Billy is a 2-time Super Shoot Winner and 3-time USA World Benchrest Team member!”

Bart Sauter’s LV 6PPC Rifle Specifications

Chambering/Caliber: 6PPC
Gunsmith: Stevens Accuracy
Action: BAT DS RBLP Right Eject
Trigger: Jewell
Stock: Scarborough Carbon Fiber over Wood Skeleton
Barrel: Krieger — and it was borrowed!
Tuner: Bukys TSI Tuner

Bullet: Bart’s Avenger 68 grain BT
Powder: Accurate LT30
Charge: Stout load running 3407 FPS

Optic: 40x45mm IOR-Valdada 30mm tube
Rings: Benchsource Double Rings
Front Rest: Farley Joystick
Rear Bag: Edgewood Bunny Ear, very soft, gray leather — special order from Bruno’s.
Front Bag: Edgewood — same soft gray leather.

Bart Sauter Bart's Bullets 200-yard East Meet West

Here is Bart’s target with a bullet removed. Bart was shooting his own 6mm 68gr Avenger bullets, a double-radius ogive design. The Avengers were seated about .004″ away from the lands: “I tried going into the lands and that didn’t seem to work, then I backed it off four thousandths [from contact] and the rifle liked that.” Bart drove those 68gr Avengers with a stout load of Accurate LT30 powder running 3407 FPS.

Bart Sauter Bart's Bullets 200-yard East Meet West

Bart’s Comments on His Components and Accessories

OPTICS — Bart likes his new 40x45mm IOR-Valdada Benchrest Scope. He says that, so far, it has proved very reliable and holds zero exceptionally well. This new design features a worm drive side-focus, oversized ocular with true +/- diopter adjustment, long eye relief, and fast-focusing reticle. The 40X Valdada also boasts superb HD “double-compressed” Schott glass from Germany.

TUNER — Bart says the Bukys TSI Tuner definitely helps. He notes that once he finds the “sweet spot” for his barrel he can normally leave it alone: “With that type of tuner, I have to be in a very dire straight to move it. Normally I will set it for the lifetime of the barrel.”

REAR BAG — Bart’s rear bag is an unusual Edgewood with softer gray leather. He says this was a special order by Bruno Shooters Supply. Bart likes how the rear bag works with his carbon-stocked 10.5-lb rifle: “With PPCs we ‘ride on the ears’ — this older bag just seems to work really well for that style.”

SUPER FEET — Bart told us he uses Benchsource Super Feet for his front rest: “The bench tops at St Louis are very slick. Before I set up I’ll use a spray bottle with water and wet the bench where the Super feet and rear bag will go. This really helps to keep things from sliding around!”

Bart Sauter Bart's Bullets 200-yard East Meet West

Permalink Bullets, Brass, Ammo, Competition, Gunsmithing, Shooting Skills 1 Comment »
April 21st, 2019

Sunday GunDay — Forum Fan Favorites

6 PPC flame paint nude forearm surprise killerpaint.com
This 6 PPC features a Nesika Extended ‘C’ action, Krieger 1:13.5″-twist LV barrel, Kelbly stock, and stunning paint by Mike Lavalle of killerpaint.com. For an eye-catching R-Rated paint surprise, Click HERE.

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 firearms. Here are some of the most recent “Pride and Joy” rifles showcased in our Forum. Do you have a gun you’d like to see featured there? Register for the Forum and you can add your favorite gun to the list.

30 BR Roy Hunter Curly Maple stock wood Bat action James Lederer barrel
Click image to view large, full-screen photo!

For this week’s Sunday GunDay we’ve selected five fan favorites from the Pride and Joy archives. First up is this custom 30 BR brought to you by ANSHUTER2013 and built by Dave Bruno. We were captivated by the clean lines and handsome looks of the Roy Hunter Curly Maple stock. Nestled in that stock is a BAT B action fronted by a 1:17″-twist James Lederer 24″ HV barrel. A Jewell trigger with fixed 42x44mm Nightforce scope round out this beauty.

6 PPC benchrest Seb NEO Lenzi bad Bat action Bix'N Andy Bartlein barrel
6 PPC benchrest Seb NEO Lenzi bad Bat action Bix'N Andy Bartlein barrel

This state-of-the-art 6 PPC boasts all top-tier components. And owner Wes R. shoots it with a superb rest/bag/pad set-up that inspires envy. This “Bughole 6 PPC” features a Bat DS action, Bix’N Andy trigger, with Bartlein 1:13.75″-twist barrel. The stock is a super-low-profile Scoville with carbon strengthening. The front rest is a SEB NEO, while in the rear is the new Lenzi sandbag. Folks tell us the Lenzi is super stable, which improves tracking from shot to shot. Note the timer attached to the front rest as well as the nice Edgewood leather bench “blanket” and arm-rest pad.

Eliseo R1 tube gun tubegun chassis F-Class F-Open .284 Winchester

Eliseo R1 tube gun tubegun chassis F-Class F-Open .284 Winchester

Forum Member Killick attached PickleForks to his handsome blue Eliseo R1 TubeGun now chambered in .284 Winchester, a top choice for the F-Open discipline. Killick explains: “Behold! An Eliseo R1 F-Classer. This started out as an R1 Long Range sling rifle (6XC) with a Borden TubeGun action. It is now rebarreled in .284 Win with Gary’s PickleFork fore-end adaptor. Props to Gary Eliseo at Competition Machine LLC.

.308 Win Rifle Manners Stock
.308 Win Rifle Manners Stock

Sometimes clean and simple is the way to go — particularly with a hunting rifle. WEATHERBYFAN’s 6.5 Creedmoor is built around a Stiller Predator single-shot action in a texturd, green Wildcat Var-Tac stock. The 1:8″-twist Bartlein barrel is finished at 28″. That’s pretty long for a hunting rig, but it delivers added velocity. Finishing off this nice rigle is a Zeiss 6-24x50mm optic. Sometimes less is more and this is a perfect example of that.

.308 Win Rifle Manners Stock
.308 Win Rifle Manners Stock

Our final offering is from Forum member 300_WHISPER. Completed just months ago by gunsmith CALEB85, this .308 Win rifle features a Bighorn TL3 action with a Bartlein M40 26″ 1:10″-twist barrel, and Manners TA Elite stock. Other components include Trigger Tech Special, Area 419 self-timing muzzle brake, and a Weaver Tactical 3-15x50mm FFP mil/mil optic. When test-fired by Caleb with ammo using Berger 175gr OTM Tactical bullets, this nice .308 Win delivered a 1.6″ 5-shot group at 400 yards. The owner says “It’s my dream rifle. I couldn’t be happier”.

Permalink Competition, Gear Review, Gunsmithing 1 Comment »
December 11th, 2018

Tech Tip: Shoot BR Cases with Rebated Rims in PPC Actions

PPC 6mm BR .308 bolt face Cutting Head for Rebating Rims

Butch Lambert of ShadeTree Engineering provided this tip. Butch notes that many 6 PPC benchrest group shooters also enjoy shooting in score matches. But to be really competitive in the BR for score game, that means shooting a 30 BR, which has a wider, .308-class rim (0.4728″ diameter). Likewise, if you want to compete in 600-yard registered BR events or in varmint matches, you probably want to run a bigger case, such as the 6BR, 6BRA, 6mm Dasher, or 6-6.5×47. Those cartridges also have the larger 0.4728″ rims.

PPC 6mm BR .308 bolt face Cutting Head for Rebating Rims

To convert a PPC-boltface action to shoot the bigger cases you can spend a ton of money and buy a new bolt. That can cost hundreds of dollars. The simpler solution is to turn down the diameter of the larger cases on a lathe. This is a relatively simple procedure with the right cutting tool.

Butch explains: “We’ve seen plenty of interest in rebating case rims. This lets you shoot a 30 BR in score matches using your PPC action. All you need is a new barrel. This saves buying another bolt, receiver, or rifle if you have a PPC boltface. Anyone who has access to a lathe can do this job pretty easily. Yesterday I turned 150 case in about an hour.” At right is the lathe form tool Butch uses to rebate the case rims.

Permalink Gunsmithing, Tech Tip 1 Comment »
October 30th, 2018

Hydro-Forming Cases by the Experts — DJ’s Brass

Darrell Jones DJ's Brass hydraulic hydro-forming cartridge brass 6 Dasher 6mmBR 6BR BRX BRDX
Along with these popular cartridge types, DJ’s Brass can hydro-form 6 PPC, 30 PPC, 6 BRA, 30 BR, .260 AI, .284 Shehane and other wildcats.

Do you shoot a popular wildcat (such as the 6 BRA), but hate the hassle of fire-forming all your own cartridge brass? That takes time, costs money (in bullets and powder), and consumes precious barrel life. Well there IS a better solution — you can have your new brass hydro-formed to your exact specifications for a reasonable cost.

DJ’s Brass Service now offers custom case hydro-forming to your exact specs. Darrell Jones offers this service for a variety of popular cartridges: 6 PPC, 30 PPC, 30 BR, 6 BRA (BR Ackley), 6mm Grinch, 6 BRDX, 6 BRX, .260 Ackley, .284 Shehane and of course the very popular 6mm Dasher. After hydro-forming your brass, Darrell can also neck-up or neck-down the cases to meet your needs. For example, if you shoot a 22 Dasher, Darrell can hydro-form the cases to a 6 Dasher and then neck them down to .22 caliber. He can also turn the necks to your specs (for an additional charge).

Darrell Jones DJ's Brass hydraultic hydro-forming cartridge brass 6 PPC 6PPC 6 Dasher 6mmBR 6BR BRX BRDXDarrell is a hydro-forming wizard who has perfected the process over the last couple of years. He has learned a few special techniques along the way to ensure uniform case-forming.

Without revealing any trade secrets, we can say the Darrell has very special dies and Darrell doesn’t use a mallet or hammer — he has a system that is much more consistent. Darrell tells us: “Many of my customers take this brass and load it ‘as is’ and go straight to a match and shoot some very nice groups.”

Hydro-forming by Darrell costs $0.60 (sixty cents) per case with a minimum order of $60. Neck-turning is an additional $0.50 (fifty cents) per case plus actual return shipping. The turnaround is usually less than five days.

With Darrell’s hydro-forming service you don’t have to buy any special dies or other equipment. Darrell says: “Simply send me the brass you need or have it dropped-shipped to me along with a fired case that has not been sized. If you need formed brass for a new build (gun not yet fired), let me know and I will size the brass to fit within .001 of a PT&G GO gauge.”

For more information, visit DJsBrass.com, or call Darrell at (205) 461-4680. IMPORTANT: Contact Darrell for shipping instructions BEFORE sending brass for processing. In a hurry, don’t have time? Just call Darrell and he’ll make something work for you.

DJs Brass hydro-forming

Hydro-Forming Customer Reports

Here are testimonials from recent customers.

“Recently had Darrell Jones of DJ’s Brass Service hydro-form 6 BRX brass for me. The turn around time was very fast and the brass was to the exact specification I ask for. I actually shot the hydro-formed brass in a match [without further fire-forming]. It shot a 3.597″ — pretty amazing. Let DJ do the work for you!” — Mike Wilson (3 Time IBS Record Holder; 2013 and 2014 1000-yard IBS Shooter of the Year.)

“Darrell Jones of DJ’s Brass Service went far beyond the call of duty, to assist me in preparation to shoot for my first time in an IBS match. I have had an interest in 1000-yard competition for many years and finally got the opportunity to try it. After researching the winning competitors, rifles, and rounds I ordered a Panda action with Krieger barrel in 6mm Dasher from Kelby’s. It was one week before the match and I had a rifle and no rounds. I contacted Darrell to hydraulically form 6mm dasher from Lapua 6mm BR brass. He formed the brass and had it in the mail the next day[.] Since I have only reloaded for hunting or magazine fed rifles I was not familiar with proper seating to allow land engagement of the bullets for 1000-yard accuracy. Darrell took the time to advised me every step of the way to allow me to shoot a 3.158″ (5) shot group to win my first round of my first competitive match ever.” — Mike Youngblood

Permalink Bullets, Brass, Ammo, Reloading 1 Comment »
August 27th, 2018

How to Expand Cartridge Brass in Stages with Progressive Press

Darrell Jones DJ's Brass Service expanding brass 6mmBR 6BR BRX 30BR Hornady press
Photos from DJ’s Brass Service.

Have you ever expanded a .22 or 6mm cartridge all the way up to .30-caliber? If so, you know this can be a difficult procedure that stresses the case necks and neck-shoulder junction. A significant neck-size expansion done in one big jump can increase run-out, cause doughnuts, or worse yet, even split the brass. Therefore you want to proceed in increments, increasing the neck diameter in stages. One smart way to do that is to use a Progressive Press. This article explains how…

The most successful short-range brenchrest-for-score cartridge is the 30 BR. That cartridge, as well as 30 BR variants such as the 30 BRX, all start with the 6mmBR Norma parent cartridge, typically with Lapua 6mmBR brass. To get a nice 30 BR case you want to expand in stages, increasing the inside neck diameter incrementally from .243 to .308.

Darrell Jones of DJ’s Brass Service creates thousands of 30 BR cases each year. He has found a clever way to speed up the process — Darrell uses a Progressive Press. He runs his 6BR brass through four (4) separate Hornady neck-sizing dies with expander mandrels. First there is a .257 die, followed by .264 (6.5mm), .284 (7mm), and then .308. Then a fifth and final K&M die provides one last, slight expansion so the newly-fashioned 30 BR cases perfectly fit the arbor of Darrell’s neck-turning tool.

So to repeat, the case starts as .243 (6mm), then moves in up stages .257, .264, .284, and .308, with a final “finishing” step prior to neck-turning. You can see the expansion in this video, which starts with 6mmBR brass that was first hydro-formed to 6 BRX:

Watch 6mm Cases Expanded to 30-Caliber (6BRX to 30 BRX)

For this demo video, Darrell expands just one case at a time. However, he can also put multiple cases in the progressive — one per station. This takes a little more effort, Darrell says, but the results are still excellent. Darrell tells us: “I do put multiple cases in the progressive to save time. The results are the same — I just wanted to show a single-step process and how it reduces run-out by not stressing the shoulder with one big expansion from 6mm straight to 30 caliber. Doing the operation in multiple stages avoids binds and helps keep the shoulders concentric.”

This same multi-stage procedure can be use to expand other cartridge types. For example you could take .221 Fireball brass in stages up to .308 to create 300 Blackout brass.

Darrell Jones DJ's Brass Service expanding brass 6mmBR 6BR BRX 30BR Hornady press

Darrell uses caliber-specific, Hornady neck-sizing-only dies with elliptical expanders. Darrell tells us: “The Hornady elliptical expander has a reduced bearing surface that puts less strain on the brass when expanding the necks to the next size.” The fitting at the bottom of the die is the Lock-N-Load die bushing that allows fast die changes.

These particular cases used in the video were first hydro-formed to 6BRX then expanded to 30 BRX before neck turning. DJ’s Brass offers hydro-forming for many popular wildcat cartridges such as 6 PPC, 6mm Dasher, and .284 Shehane.

Darrell Jones DJ's Brass Service expanding brass 6mmBR 6BR BRX 30BR Hornady press

Permalink - Articles, - Videos, Bullets, Brass, Ammo, Reloading 1 Comment »
August 23rd, 2018

Insanely Small Groups — World Champion Reveals His Techniques

200 yard benchrest group charles huckeba australia tiny group 6 PPC

With the recent IBS 100/200 Group Nationals in Pennsylvania, we thought our readers might like to learn more about the short-range Benchrest game. Seeing the tiny groups 6 PPC aces produce, it’s easy to think the precision is all about the equipment. But there is a lot more involved. A talented human still has to watch the flags, run the gun properly, and tune his loads for the conditions. Here are some tips from one of the world’s best benchresters, Charles Huckeba.

Texan Charles Huckeba was the top individual shooter at the 2013 World Benchrest Championships (WBC) held near Sydney Australia in October 2013. In this video, 2013 WBC Two-Gun Overall winner Charles shoots a 1/8th MOA group at 200 yards — “a little bitty dot” as a fellow Team USA shooter observes. That’s impressive. If you can describe Huckeba’s style in a nutshell it would be “smooth, consistent, and rapid but not hurried”.

Charles also employed some unusual hardware. In the video, take a close look at the joystick on the Farley Coaxial front rest. There’s no knob at the end. In its place is a small, wood ammo caddy. Charles removed the standard knob from the handle of his Farley rest and replaced it with a home-made wood block that holds cartridges for the record target. The 10.5-lb Light Varmint rifle is chambered in 6PPC with a BAT Machine Action and a composite wood and carbon-fiber stock.

Watch Charles Huckeba Shoot 1/8 MOA, 200-yard group at World Benchrest Championships

Here is the actual 200-yard, 5-shot group Charles shot in the video. Photo (by Stuart Elliot) taken through the lens of Huckeba’s 50X March scope (reticle has 1/16th MOA Dot).
200 yard benchrest group charles huckeba australia
200 yard benchrest group charles huckeba australia

Analyzing the Fine Points — What Makes Huckeba So Good

Short-range benchrest shooter Boyd Allen saw some interesting things in Huckeba’s WBC performance, as captured on video. Boyd noticed Huckeba’s smooth gun-handling and efficient loading. But Boyd also spied some interesting equipment, including an innovative joystick “handle-caddy”.

1. Low Friction Bags — When Huckeba slid his rifle, there was very little apparent friction. The front bag features the new 3M material (ScotchLite) on the sliding surfaces. The rear Protektor bag has ears of the same low-friction material.

2. Pause Before Chambering — While he was watching the flags and deciding when to start firing, Charles kept his first round in the action, but out of the barrel’s chamber, probably so as not to heat the cartridge and change the round’s point of impact.

Charles Huckeba PPC World Benchrest joystick handle3. Ammo Caddy on Joystick Arm – Charles shoots a Right Bolt/Left Port action, so he pulls his rounds with his left hand. Note that Huckeba’s record rounds rest in a small, wood ammo caddy attached to the end of the joystick shaft. Look carefully, you’ll see the wood ammo block in place of the normal black ball at the end of the joystick. That allows Charles to pull shots with the absolute minimum of hand movement. Ingenious! Huckeba is very fast, with a great economy of motion. I believe that because his ammo was literally at hand, Charles was better able to keep his focus on aiming and the flags.

4. Smooth-Cycling BAT Action — Note how smoothly Huckeba’s action operates. When Charles lifts the bolt handle (to extract a round and cock the firing pin), this does not disturb the rifle. Likewise, as he closes the bolt, the gun doesn’t wobble. The smooth action allows Charles to hold point of aim even when shooting relatively quickly. Huckeba’s BAT action is chrome-moly steel. Some shooters believe this metal makes for a smoother action than stainless steel or aluminum.

5. Long-Wheelbase Stock — The wood and carbon fiber stock is light, long, and stiff. Yet, importantly, the stock is also well-damped. The longer-than-average stock length (with extended forearm) seems to help the gun track well without jumping or rocking. The longer forearm allows a longer “wheelbase”, effectively shifting the weight distribution rearward (less weight on the front, more weight on the rear). This places a greater share of the gun’s weight on the rear bag, as compared to a more conventional benchrest stock. Huckeba’s stock, built by Bob Scoville, is at the cutting edge of short-range benchrest design. Its light-weight balsa wood and carbon fiber construction provides a combination of stiffness and vibration damping that allows its relatively long fore-end to be fully utilized to increase the weight on the rear bag (always an issue with 10.5-pound rifles).

To learn more about this benchrest stock design, read the comments by stock-builder Bob Scoville in our PPC with Pedigree story in our Gun of the Week Archives. Bob observed:

“There is a lot more to the structure of the stocks than meets the eye. The carbon fiber skin with which I cover the stocks creates a light, tough exterior surface. However, this contributes very little to the overall performance of the stocks. The real strength and stiffness is the result of an internal beam utilizing balsa core/carbon fiber technology.

This type construction can be found in aircraft, race cars, powerboats, and sailboats. It is interesting to note, balsa has the highest strength to weight ratio of all woods and carbon fiber is one of the lowest stretch (modulus of elasticity) relative to weight of all materials. The marriage of these two materials is common in the high-performance world. Additionally, balsa is used commercially for vibration dampening and sound reduction.”

Video find by Boyd Allen. Video by Stuart Elliot of BRT Shooters Supply, Brisbane, Australia.
Permalink - Videos, Competition, Shooting Skills No Comments »
August 14th, 2017

Gary Ocock Shoots Amazing 0.0840 Aggregate with Railgun

Gary Ocock Rail Gun Unlimited Target Visalia CA 6 PPC IBS NBRSA
Want to see the details? CLICK HERE to view full-screen photo.

Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s 0.0840 Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg will NOT be submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.

The argument can be made that this is the Most Accurate Gun Ever Built. As far as we can determine, no one has ever shot a smaller 5-target Agg anywhere, at any time.

The Unlimited Benchrest Record That Will Never Be (Official)

Report by Boyd Allen
Gary Ocock’s stunning unlimited Aggregate is beyond amazing. That’s an average of five, 5-shot groups of .0840. Shot under sanctioned match rules, but at an unsanctioned 100-yard fun match, this Aggregate is well under the current 100-yard official records of the IBS (.1386), and the NBRSA (.1242). The fourth of the five groups measured a minuscule .018, less than half the size of the existing NBRSA Unlimited record of .049 (also shot by Gary). Check it out:

Gary Ocock Rail Gun Unlimited Target Visalia CA 6 PPC IBS NBRSA

Gary Ocock Rail Gun Unlimited Target Visalia CA 6 PPC IBS NBRSA
When the top 15 shooters all post teen Aggs, conditions must be pretty favorable. However there were some light switchy winds — Gary said that he shot better in the left to right condition.

GUN SPECIFICATIONS
Ocock’s red Jay Young Unlimited Railgun features one major difference from Young’s typical Railgun designs. The bottom of the barrel block is integral with the top (moving part), of the gun. The barrel is Ocock’s usual 1:13.5″-twist Krieger chambered for the 6 PPC. The BAT Neuvo action* is unusual in that its lugs are horizontal at lock-up instead of the usual vertical. With horizontal lugs, both lugs maintain contact with their abutments when the action is cocked. In the more normal configuration when cocked the top lug is forced off of its seat by a combination of the angle of the trigger cocking piece interface, the pressure of the striker spring, and bolt clearance at the rear of the action.

LOAD SPECIFICATIONS
Gary shot this remarkable Agg with well-used brass, Vihtavuori N133 powder, and self-made 66gr BT bullets** seated at “jam”. This amazing Agg was shot on the second day of a 2-day Unlimited Benchrest match. On Day 1 Gary had experimented with various loads using both surplus IMR 8208 and Vihtavuori N133, but was not satisfied with the results. For his first group on Day 2, Gary tried a light load of N133. After seeing the result, however, he decided to go to the other extreme — a super stout N133 load — with the same powder. As you can see, Gary’s willingness to experiment paid off.

Gary Ocock Rail Gun Unlimited Target Visalia CA 6 PPC IBS NBRSA

Notably, Gary used light neck tension. Ocock found that for these bullets and this barrel, light neck tension worked best (contrary to “normal” N133 benchrest practice). Ocock used a bushing that only produces .001″ difference between the diameters of sized and loaded case necks.

Comment on Ocock’s Achievement
Congratulations to Gary Ocock for superb shooting (and smart loading). Even though the match was not sanctioned (so the Agg will never be a record), Ocock has raised the bar very high, and given us a new standard of ultimate accuracy.

Though this 0.0840 Aggregate and 0.018 group will never go into the record group, they are still noteworthy. There’s virtually no doubt that they would have survived inspection by any record committee. Except for the lack of fixed backers, an IBS requirement (for detecting cross-fires), all other conditions were met for an officially-sanctioned match.

*The new BAT Neuvo actions are the result of a collaboration between Dwight Scott, and Bruce Thom, featuring Dwight’s ideas and BAT’s proven manufacturing expertise.

** Ocock shot his own, boat-tail match bullets, made with George Ulrich-crafted dies using Hood cores. Although he said that it had been a while since he had weighed any, his best guess was that they weigh something around 66.5 grains.

Permalink Competition, Reloading, Shooting Skills 1 Comment »