Here’s a tale that should make you chuckle. This is the kind of boo-boo any shooter can make (but hopefully only once). Our friend Vu Pham from Sacramento was out testing his .260 Rem tactical rifle. Now Vu, an ace NorCal Tactical marksman, is a darn good shooter — but his first three-shot, 200-yard group looked like a shotgun pattern. Vu was puzzled to say the least. (His actual reaction, as noted on the target, was “WTF?!”)
But there was a simple explanation for the rifle’s miserable accuracy — Vu forgot to tighten the crossbolts attaching the rings to his scope rail. Consequently, his scope was moving after each shot. According to Vu, stunned disbelief followed by embarrassment happens “the moment you realized you forgot to torque your scope rings to the base after moving [the scope] the night before. [I felt like a] Freaking nooooob.”
Want to upgrade your AR’s trigger? Shooting USA and Brownells have created a video tutorial that shows how to remove a factory AR trigger and replace it with an upgrade. This video illustrates the procedures to follow and the tools you’ll need. Step-by-step, the video explains how to swap the factory trigger group for a self-contained ‘box style’ drop-in trigger module or a traditional (multi-part) trigger system with enhanced performance.
Many AR-15s come from the factory with a military-type trigger that has a long, gritty, heavy pull. Replacing that trigger is one of the best ways to improve your AR’s performance. You’ll be rewarded with a smoother pull, shorter take-up, and reduced pull weight. You will also have a choice between a single-stage and a dual-stage trigger.
The box-style, self-contained drop-in systems from companies like AR Gold, CMC, Timney, and Wilson Combat are the easiest to install. John Scoutten explains: “These self-contained systems … are very simple to install. In fact, all you do is remove the factory parts, drop in the whole system, replace your pins, and you’re done.” Conventional two-piece trigger groups are offered by DPMS, Geissele, JP Enterprises, and Rock River.
The key points of the video tutorial are also explained on the Shooting USA website with text and still pictures. Before you start your trigger project, review Shooting USA’s AR Trigger Upgrade Page. You’ll find helpful close-up photos on that page.
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Here’s a bit of Britain in blue — a 270-7mm WSM F-Classer belonging to Elwood in the UK.
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 recent “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 gun to the list.
1. Dasher LowBoy. CigarCop just completed a lovely 6mm Dasher in a yellow/gray laminated PR&T LowBoy stock. CigarCop did the stock inletting and finish work himself. Very nice work indeed.
2. Varmint Special. Here’s a handsome varminter with a beautifully-figured walnut stock. This is one of three rifles Forum Member Dan Hall posted this month.
3. 6mm Trifecta. DixiePPC served up not one but THREE pretty rifles, all with pearlescent paint jobs. Details of the three rigs are provided below. Click the image to see a full-screen version.
Top: 6 PPC for 10.5-lb NBRSA LV Class, 1:14″, .262″-necked SS Hart Barrel chambered and fitted by Doug Pascal, Pearl Black Kelbly Stock, RB/RP Blueprint & Trued 40X Short Action (Glued) with a Doug Pascal Bolt Release. This gun is a 1994 build by Doug Pascal of Craftsmith.
Middle: 6 PPC 13.5lb NBRSA HV Class, 1:14″, .262″-necked SS straight-countour Hart Barrel, Pearl White Kelbly Stock/Aluminum Butt Plate, RB/RP Stolle Panda Action (Glued). Kelbly Double Screw Rings. 1994 Vintage Leupold/Premier BR 36X. This gun is a 1992-vintage Kelbly build for NBRSA Unlimited Class.
Bottom: 6mmBR 17-lb IBS Light Gun Class, 28″, 1:8″, .268″-necked SS Bartlein 5R Barrel tipped with a SS Harrell Spiral Muzzle Brake, Pearl Rust Orange 90s-vintage Lee Six Stock with home made Aluminum Butt Plate, RB/RP Blueprinted and Trued 1995-Vintage 700 Short Action.
4. Simple Elegance. This is Chopper Duke’s handsome 6mm PPC. It features a Remington action in a classic older-style benchrest stock. We like the flawless pale-green finish. Subtle but nice.
5. (Nearly) Identical Duo. Here are a matching pair of customs from Forum member NHM16. He tells us: “I sold my two Savages I was using for F-Open, and had these two built in their place. One reason I upgraded was so I could have two (nearly) identical rifles. The nice thing about these rifles is that most everything interchanges, including the barrels.”
Here Are Specs for Both Guns:
— Panda F-Class action (LRBP, no ejector, 20 MOA dovetail scope base, one action is polished, the other unpolished so I could easily tell them apart).
— PR&T LowBoy stocks with adjustable buttplates, with vents on the side and the bottom.
— Both have Bartlein 32″ 7mm, 1:8″-twist, 5R barrels, chambered in 7mm Walker (basically a .284 Shehane with the addition of a 40 degree shoulder).
— Rifles were built by Richard King (“Kings X” in Forum) in Arlington, Texas, though I did the clear coating myself.
6. First Custom. Here is Forum member Barrys’s very first custom rifle, and it’s a nice one. It features a BAT Machine VR action, Krieger #17 heavy varmint contour, chambered for the 6mmBR Norma with 0.272″ neck. The stock is a Shehane Varmint Tracker with a Walnut-color laminated Obeche stock. On top is a Sightron SIII 8-32x56mm scope in BAT Machine rings.
7. Basic Black. David P. offered this F-TR rig: “A buddy of mine just finished up new rifle for NRA F-TR competition. This rifle is built on a Kelbly action, chambered in .308 Win with a custom, tight-neck match chamber. It’s sitting in a PR&T stock, with a Broughton 32″, 1:11″-twist 5C barrel. The rifle was chambered and built by Brian at Plainfield Precision in Shelby, NC.
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Craters may look interesting on the moon, but you don’t want to see them on your primers. Certain mechanical issues that cause primer craters can also cause primer piercing — a serious safety problem that needs to be addressed. If you have a gun that is cratering primers (even at moderate pressure levels), there is a solution that works with many rifles — send your bolt to Greg Tannel to have the firing pin hole bushed.
Shooters who convert factory actions to run 6BRs, 6PPCs or other high-pressure cartridges should consider having the firing pin bushed. These modern cartridges like to run at high pressures. When running stout loads, you can get cratering caused by primer flow around the firing pin hole in the bolt face. The reason is a little complicated, but basically the larger the hole, the less hydraulic pressure is required to crater the primer. A limited amount of cratering is normally not a big issue, but you can reduce the problem significantly by having a smith fit a bushing in the firing pin hole. In addition to reduced cratering, bushing the firing pin often produces more consistent ignition.
This is a highly recommended procedure that our editors have had done to their own rifles. Greg Tannel (Gre-Tan Rifles) is an expert at this procedure, and he does excellent work on a wide variety of bolts. Current price for a bushing job, which includes turning the firing pin to .062″, is $80.00, or $88.00 with USPS Priority Mail return shipping.
If you have a factory rifle, a bushed firing pin is the way to go if you are shooting the high-pressure cartridges such as 6PPC, 6BR, 6-6.5×47 and 6.5×47. This is one of the most cost-effective and beneficial upgrades you can do to your factory rifle. For more info on the Firing Pin Bushing process, visit GreTanRifles.com, or email greg [at] gretanrifles.com. (After clicking the link for GreTanRifles.com, Click on “Services” > “Shop Services” > “Bolt Work”, and you’ll see a listing for “Bush Firing Pin Hole & Turn Pin”. Select “View Details”.)
Firing Pin Hole Bushing by Greg Tannel
Work Done: Bush firing pin hole and turn pin.
Functions: Fixes your cratering and piercing problems.
Price: $80.00 + $8.00 return shipping Total Price: $88.00
Actions for which Bushing is Offered: Remington, Winchester, Savage multi-piece pin, Sako, Kimber, Nesika, Stiller, BAT Machine, Kelbly, Lawton, Surgeon, Borden, Wichita, Hall, Ruger, Howa, Weatherby, Dakota, Pacific Tool, Phoenix, and Defiant bolt action rifle or pistol.
Actions for which Bushing is NOT Available: Case hardened receivers, ARs, Accuracy International (AI), Barnard, Big Horn, Cooper, Desert Tactical Arms, Kimber, Rosenthal, New Savage single piece pin, Rim fires, Falling block, Break open, Lever, Pump rifles, 1903-A3, CZ, Mauser.
How to send your bolt in to be bushed:
You can send your bolt snail mail, priority mail, or UPS (Please do not use FEDEX as it sometimes has delivery delays). Pack your bolt carefully and ship to: Gre’-Tan Rifles, 24005 Hwy. 13, Rifle CO 81650. Please include your name, phone number, and return shipping address.
Due to the high volume of work, turn around is 5 to 8 weeks on bushing a bolt. Three or more bolts will be sent back to you UPS and we will have to calculate shipping. We can overnight them at your expense. You can pay by check, money order, or credit card. For more information visit GretanRifles.com.
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Guess what American gun-maker has been building guns for two centuries? That’s right, Remington Arms Company celebrates its 200th year in business in 2016. The Remington enterprise was founded in 1816 by Eliphalet Remington in Ilion, New York, as E. Remington and Sons. Remington is America’s oldest gun maker and is still the largest U.S. producer of shotguns and rifles. CLICK HERE for 200 facts about the 200-year-old company.
American Life in 1816
What was life like in America in 1816, two hundred years ago? This infographic offers some interesting facts. For example, average life expectancy was only 39 years, and a farm laborer earned just $12-$15 per month. Still want to go back to the “good old days”?
Click to Zoom Infographic:
Since 2007, Remington Arms has been part of the Remington Outdoors Group, which is owned by Cerberus Capital Management. Remington recently opened a new plant in Huntsville, Alabama which produces Modern Sporting Rifles (MSR) and Remington 1911 R1 pistols. Interestingly, Remington also operates America’s oldest factory that still makes its original product (guns). Remington has also developed or adopted more cartridges than any other gun-maker or ammunition manufacturer in the world. Here are some interesting facts about the Remington 700 rifle. Did you know that over 5,000,000 Rem 700s have been produced, in 56 different chamberings? Laid end to end, the five million Rem 700s could span the Atlantic ocean.
Remington 700 Fun Facts
200th Anniversary Remington 700 (Engraved, High-Grade $2399.00)
To celebrate its 200th Anniversary, Remington is releasing a special Bicentennial Series of “limited edition” rifles, shotguns, and pistols. Here is the 200th Year Anniversary Limited Edition Model 700, which features a high-grade stock with Fleur de Lis checkering, American-style engraving with gold inlay, and grip medallion. Remington will make no more than 2016 of these rifles, priced at $2399.00.
Jewell triggers are still the most-used triggers on competition benchrest and F-Class rifles and they are also popular for hunting, varmint, and tactical rifles (with or without safeties). While a Jewell trigger can work for years with minimal maintenance, if the trigger becomes gunked up, it may be necessary to disassemble the trigger for a thorough cleaning. Our friends Ed and Steve, aka the 6.5 Guys, have produced a helpful video that shows how to disassemble and then reassemble a Jewell trigger.
Why You May Need to Disassemble Your Jewell Trigger — the 6.5 Guys
Jewell triggers are a popular choice in the sport of long range precision shooting, and like everything else require regular cleaning and maintenance. In most cases they can be cleaned with charcoal lighter fluid or dropped into an ultrasonic cleaner. Should the situation require, they can be completely disassembled according to the Jewell Trigger Manual.
We ran into a situation where we had to dissemble a trigger due to the entrapment of some sticky dirt that couldn’t be removed with an ultrasonic cleaner. Our first step was to find some step-by-step instructions but we couldn’t find anything.
Recognizing that other shooters might be in the same situation we produced a step-by-step guide and video, published in full on 65Guys.com. These instructions will work with a left- or right-handed trigger. In our case we worked with a left-handed BR model trigger with safety and bolt release.
Step-by-Step Instructions are provided on 65Guys.com website. We recommend you read all the instructions carefully before you even think about disassembling your trigger. This video explains the process so you can get a sense of what is involved.
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You may not be aware, but the Civilian Marksmanship Program runs a reliable, reasonably-priced maintenance/repair facility for USGI-issue rifles. Since October 2013, the CMP Custom Shop (Anniston, AL) has provided gunsmithing services for a wide range of U.S. Military rifles, specifically those issued in early eras. As well as repairs and troubleshooting, the CMP Custom Shop can upgrade, accurize, customize, and refinish the types of rifles the CMP sells.
CMP will work on the M1 Garand, M1 Carbine, 1903 and 1903A3 Springfield, the 1917 Enfield and the Krag. Other rifles like the Remington 40X, Mossberg 44, and H&R Model 12 can also be serviced. CMP will NOT work on shotguns, pistols, revolvers, M14/M1A, AR15-style rifles or other commercially-produced modern rifles. For a list of services (with prices) visit the CMP Custom Shop webpage.
NOTE: Before you can send a rifle to the CMP Custom Shop you must be a customer on file in the CMP system. Customers must meet the same eligibility requirements as for CMP rifle purchases. Once qualified, you can purchase a rifle from the CMP and have the CMP Custom Shop make modifications to it prior to shipping.
CMP Custom Shop Can Work on USGI Rifles Purchased from Other Sources
The CMP Custom Shop can work on rifles that may have been purchased elsewhere as long as they were made by a USGI contractor. Some examples include: Springfield Armory (not Springfield Inc.), Harrington & Richardson, Winchester, International Harvester, Remington, Rock Island, Eddystone, Inland, Underwood, Rock-Ola, Quality Hardware, National Postal meter, Standard Products, IBM, Irwin-Pederson and Saginaw. NOTE: There are many NON-USGI copies of the M1 Garand, 1903 Springfield and especially the M1 Carbine that CMP will be unable to work on.
For more information, call (256) 835-8455, x1113, or send email to customshop [at] thecmp.org. Shipping and Correspondence address for the CMP Custom Shop is:
We know some guys who make their own stocks, and others who do their own chambering. But consider this, Robert Carnell of Australia built his own state-of-the-art, water-cooled, tension-barrel Rail Gun, even including the action. That’s right, Robert even made his own action. Wow, this has to be the ultimate home gunsmithing, do-it-yourself project.
Carnell is an accomplished benchrest shooter and past Australian Sporter Class Champion. In 1993 he won a Silver Medal at the World Championships. But Carnell is far more than an ace trigger-puller. Robert is a skilled and creative “home gunsmith” who has crafted his own custom action and built his own railguns from scratch. Robert also runs the Austrialian Benchrest Bulletin website.
Home-Built Rail Gun — Aussie Innovation
Below are photos of one of Rob Carnell’s most amazing builds. This liquid-cooled, tension-barrel rail gun is a great example of self-reliant Aussie engineering. The barrel runs inside a coolent-filled, large-diameter sleeve, much like an old water-cooled machine gun. This is the fourth rail gun that Rob built, and the second fitted with a tensioned barrel.
Robert explains: “My railgun design has a 1.75″ barrel under tension inside an aluminium tube filled with radiator coolant. There is nearly a gallon of coolant, and the barrel stays cool no matter how many shots I seem to fire, or how quickly they are shot. The brass nut on the front rides on a nylon bearing and can be tightened to get the best accuracy. I am a believer in the ‘tuner’ idea and this seems to work for me. The main tube is thick-walled aluminium 600mm (24″) long. There is a flange at both ends. The flange at the back fits onto the barrel before the action is screwed on. The front flange is a press-fit into the tube, then there is a brass nut that fits over the barrel and screws against a nylon washer on the front flange. The Railgun’s base is aluminium and has the standard adjustments — windage, elevation and a sighter cam. In addition, there is a 1/10 thou dial indicator for windage. This allows me to zero the indicator and shoot my group. If I need to add a bit of windage for a condition, I can quickly get back to the original position if my condition comes back.”
Home-Built Action Uses Rem Bolt
Rob’s rail gun uses his own home-made stainless action, which features Panda-spec threads and a modified Remington 700 aftermarket bolt. Not bad for a do-it-yourself project we’d say! CLICK HERE to read how Rob designed and built the action.
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Some folks feel that they don’t have to worry about rust and corrosion on stainless steel barrels, actions, and other components. That’s not really true. “Stainless” is a bit of a misnomer. First, there are different types of stainless steel alloys, with different degrees of rust resistance. 300 series stainless is more corrosion resistant than the 416 stainless commonly used in barrels. The composition (by percentage weight) of 416 stainless is 0.15% carbon, 12-14% chromium and the rest iron. 416 stainless steel lacks the roughly 10% nickel content that makes the 300 series more corrosion resistant in atmospheric conditions. But because 416 handles pressure better and is easier to machine (than 300 series steel), 416 stainless remains the better choice for barrels.
Though some grades of stainless are more corrosion-resistent, ALL varieties of stainless steel can rust if they are not handled and stored properly. Forum reader Kells81 observed: “Wanna see some rusted stainless? Go to the big “C” brand store in Ft. Worth. Every stainless gun they have on the used gun rack is rusted.” Tom Easly of TRE Custom explains: “Sweat is very corrosive. Sweat and blood will rust many stainless steels. I hate to handle my guns or drip on them when I sweat. It really helps to just wipe them good with a wet rag, dry and wipe on a light coating of gun oil. I think most stainless barrels are made from type 416 stainless, and it is generally pretty corrosion resistant, but not when exposed to sweat, blood, or chlorates (corrosive priming), and some other electrolytes.”
Forum member Jacob, who is studying materials science at LSU, provides this technical information: “The basic resistance of stainless steel occurs because of its ability to form a protective coating on the metal surface. This coating is a ‘passive’ film which resists further ‘oxidation’ or rusting. The formation of this film is instantaneous in an oxidizing atmosphere such as air, water, or other fluids that contain oxygen. Once the layer has formed, we say that the metal has become ‘passivated’ and the oxidation or ‘rusting’ rate will slow down to less than 0.002″ per year (0.05 mm per year).
Unlike aluminum or silver, this passive film is invisible in stainless steel. It’s created when oxygen combines with the chrome in the stainless to form chrome oxide which is more commonly called ‘ceramic’. This protective oxide or ceramic coating is common to most corrosion resistant materials.
Halogen salts, especially chlorides, easily penetrate this passive film and will allow corrosive attack to occur. The halogens are easy to recognize because they end in the letters ‘ine’. Listed in order of their activity they are: fluorine, chlorine, bromine, iodine, astatine.
These are the same chemicals that will penetrate Teflon and cause trouble with Teflon coated or encapsulated o-rings and/ or similar coated materials. Chlorides are one of the most common elements in nature and if that isn’t bad enough, they’re also soluble, active ions. These provide the basis for electrolytes. The presence of electrolytic solutions can accelerate corrosion or chemical attack.”
CONCLUSION: Stainless steel barrels and components won’t rust nearly as fast as blued steel, but you still have to take precautions — particularly removing sweat and corrosive salts from the barrel. Also, don’t let moisture build up inside or outside of the barrel. We recommend wiping your barrels and actions with Eezox, or Corrosion-X after each use. These are both extremely effective rust-fighters that go on thin, without leaving a greasy residue. (Eezox leaves a clear finish, while Corrosion-X has a slightly waxy finish.) Also store your guns in Bore-Store bags when the guns go in the safe. Bore-Stores wick away moisture, and the synthetic fleece inner surface is treated with rust-fighting chemicals. Bore-Stores also protect your guns against dings and scratches.
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As a visual treat for our Daily Bulletin readers, we went back to our Gun of the Week archives to showcase a very special rifle. This humdinger could be the prettiest prone rifle we’ve ever seen. Commissioned for Forum member Corbin S., this is one handsome rifle, built with all-premium components and a stunning Curly Maple thumbhole stock with adjustable cheekpiece. The rifle is chambered in .243 Winchester. It features a custom stainless RBRP action Nesika R action, with keycuts in the bottom instead of recoil lug. A Grünig & Elmiger trigger has been specially modified (milled and pinned) to work with the Nesika action. The barrel is a 30″ Broughton 5R Palma-contour tube, and there is another 30″ Broughton 6BR barrel that Corbin uses at shorter ranges. The trigger guard, fore-arm rail, cheek adjuster, and 4-way adjustable butt assembly are all custom metal, designed by Dan Gleason. The stock is cut from exhibition-grade fiddleback maple (from Cecil Fredi Gunstocks in Las Vegas) with a Gaboon Ebony tip wood and butt-plate spacer.
Very Accurate with Fast-Flyin’ Berger 105s
Corbin tells us the gun will put five shots into the size of a quarter at 300 yards “when he does his part.” Corbin shoots pointed Berger 105gr VLDs and 45.5 grains of H4831SC. That load runs 3180 fps. He can push it faster, but “that’s where the node was and where it shoots best”, according to Corbin.
Forum member Jim Hardy has seen (and shot against) this beautiful rifle. He reports:
“A casual observer might think that the trigger guard, cheek plate and butt plate hardware are Anschutz — as the stock takes on the Anschutz prone pattern. However, this is ALL custom metal. The G&E trigger breaks like a glass rod and will makes my BR triggers feel inferior at best. I had the pleasure of holding, shouldering, and lusting over this gun at Camp Perry last year, and it is even more impressive in person. The killer is that there is yet ANOTHER one in a beautiful, dark figured walnut owned by Corbin’s shooting partner. BTW, both guns will hammer at 1000 yards prone.”
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Our friend Erik Cortina told us that Jim Borden of Borden Accuracy has developed a new “wide-body” action, the Borden BRMXD. Erik is building a rifle around this action to shoot at the 2016 Berger SW Nationals. The new BRMXD is Borden’s first venture into action bodies larger than 1.350″ in diameter. The round BRMXD action measures a stout 1.470″ in diameter and comes standard with bottom recoil lug. If the customer prefers, Border can deliver the action with a conventional recoil lug on the front. We like the looks of Borden’s new BRMXD, and we bet this new stainless action will be a smooth runner.
Borden BRM-XD Action Specifications:
• Action: BRM-XD
• Length: 8-1/8″
• Outside Diameter: 1.470″
• Port Length: Single Port: 2.750″
— Dual Port w/ Mini Port for BR / PPC: 2.750″ Loading & 1.8″ Eject Port
— Dual Port w/ x47 Family Port: 2.750″ Loading & 1.9″ Eject Port
— Dual Port w/ .284 Family Port: 2.750″ Loading & 2.4″ Eject Port
• Weight: 42.6 oz for Single Port
• Price: $1325.00 with bottom lug for a single port – $1400.00 for a dual port + shipping
• Price: $1250.00 for no lug (Glue-In Only)
Borden Accuracy will also offer a 0.215″ spacer for shooters who wish to use their current PANDA barrels with a new BRMXD action. This hardened steel spacer will cost $50.00 (introductory price).
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How is a modern, metal-chassis rifle built? This very cool video from Masterpiece Arms answers that question. The nicely-edited video shows the creation of a Masterpiece Arms tactical rifle from start to finish. All aspects of the manufacturing process are illustrated: 3D CAD modeling, CNC milling of the chassis, barrel threading/contouring, chamber-reaming, barrel lapping, laser engraving, and stock coating. If you love to see machines at work, you will enjoy this video…
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The creators of the Firearms Guide DVDs have launched a huge online database for firearms. This new, subscription-based web resource, Firearmsguide.com, includes over 61,000 firearm types from 902 manufacturers. It’s easy to find just about any gun — search by manufacturer or other variables such as caliber, action type, country of origin, and vintage. In addition, the gun entries are cross-linked to a large ammunition database so you can find factory ammo for any type of firearm.
You Can Search for 61,000+ Guns Using 14 Variables:
Think of this as a digital encyclopedia of guns — the mother of all gun reference guides. The sheer amount of information (text, photos, and schematics) is mind-boggling. Firearmsguide.com currently covers 61,000 models of rifles, pistols, shotguns, air rifles, and air pistols from 50 different countries. Subscription plans start at $49.95 per year.
This new database is a gold mine for gun collectors and gunsmiths. For most of the firearm entries, there are full specifications and up to 12 high-rez color photos. In addition, the database features 5500 printable schematics along with parts lists. Collectors will appreciate the inclusion of gun values for both modern and vintage firearms.
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Here’s important news for owners of Accuracy International (AI) rifles. There is now an approved AI service facility in the United States: Mile High Shooting Center (Erie, Colorado). After Mile High’s tech team received extensive training at the AI production center in England, Mile High Shooting Center has been appointed the USA’s first Accuracy International Factory Authorized Service Center.
Mile High, owned by Randy and Diann Pennington, has been an AI distributor for many years and the Service Center will be run by professional gunsmith Adam Rehor. To contact the new Service Center, email AIservice@milehighshooting.com or call (303) 255-9999.
Mile High Shooting Center is located in the Denver metropolitan area. The company has fully-equipped facilities to provide LEO and civilian users with factory standard spares, service, and repair for all Accuracy International rifles and equipment.
Mile High Shooting Accessories
3731 Monarch Street
Erie, CO 80516
Toll Free: 1.877.871.9990
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When a shot is fired through it, a barrel will exhibit harmonics. Tuning these harmonics (the “waves” that propagate through the barrel) can alter point of impact and, if you’re lucky, reduce group size. Barrel tuners have been used successfully in rimfire benchrest for many years (see photo above). While there are competing theories as to how and why barrel tuners work on rimfire rifles, there is no question that the accuracy of some rimfire barrels can be improved with the addition of a tuner. By changing the position of weights at the end of the barrel, we’ve seen shooters shrink their average group size as well as adjust the “sweet spot” for different lots of rimfire ammo. On the other hand, tuners can be the source of great frustration; some installations may yield little or no benefit. A shooter may have to experiment with a variety of different tuner designs (and weights) to find the optimal configuration.
Centerfire Tuners–Still a Work in Progress
In centerfire benchrest competition, the vast majority of competitors do not use tuners, though a few short-range shooters such as Gene Bukys and Jackie Schmidt have enjoyed considerable success. Gene has won major championships with tuned rifles. In 2011 Gene won both the Super Shoot and World Benchrest Championship (WBC), and Gene recently set a new NBRSA Sporter Class Grand Agg Record.
Centerfire benchrest guns typically employ shorter barrels with a much fatter contour (larger diameter) than rimfire rifles. Because centerfire rounds produce much higher pressures and velocities that a 22LR, a centerfire barrel also exhibits much different vibration characteristics than a typical rimfire barrel. Nonetheless, there are pioneers working with centerfire tuners who believe that tuning may be the “next leap forward” in centerfire accuracy.
Shown below is a switch-barrel benchrest rifle built by Forum member Eddie W. of Texas. It features a dual-port Hall “M” action with a ShadeTree Engineering Tuner crafted by Butch Lambert. The gun is designed to take both a 6PPC barrel for group shooting and a 30BR barrel for score shooting. The gun was barreled by Wayne Shaw, and Eddie did the stock work himself. Eddie reports: “It is a very accurate rifle.”
Will we see more tuners on centerfire rifles? Only time will tell. Some folks believe that, since one can easily adjust the loads shot by centerfire guns (by tinkering with the powder charge and seating depth), tuners have limited utility. On the other hand, tuner advocates such as Gene Beggs believe tuners can help keep your group sizes small even as conditions (temperature, humidity) change. Gene believes that, with an appropriate tuner, you can spend less time fiddling with the load specs (changing your powder charge) and instead “dial in” your sweet spot using the tuner.
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PMA Tool now offers a unique “adjustable” Stock Weight System with variable weighting from 2 to 8 ounces (including internal sleeve). This $65.95 system allows the shooter to add or remove weight (in the buttstock) to balance the gun, or adjust the weight to meet class weight limits. Say, for example you were running at max weight but then changed your scope for a new optic that weighed 4 ounces less. With this system, you can easily get back up to the “legal limit”. You can also use the weight to adjust balance when running barrels of different lengths or contours.
The PMA Stock Weight system is made up of a sleeve, a nut and three interchangeable weights. The sleeve and nut weigh 2 ounces (combined) and weight inserts of 2, 4 and 6 ounces are included in the system. The sleeve is machined from aluminum, while the nut and weights are machined from stainless steel. All weights are roll-stamped with their weights and “coin-slotted” so they can be easily installed using a screwdriver or coin. The nut utilizes a 1/4″ hex wrench for removal from the sleeve and installation of weights.
While installation of these Stock Weight Systems is fairly simple, PMA states that: “The sleeve should be installed into the buttstock by someone with some mechanical aptitude and an understanding of stock construction, preferably a trained gunsmith or stock-fitter.”
Product tip from EdLongrange. We welcome reader submissions.
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Doan Trevor is a master gunsmith and stock-maker who works in the old style. He still hand-crafts stocks from start to finish, and does all the metal-work on the custom rifles he builds. Starting with highly-figured woods, Doan carves and shapes his stocks largely by hand, with meticulous attention to detail. Each rifle he builds is optimized for its intended discipline, and custom-fitted for the customer.
With the help of his talented wife Sue (who does the photography and builds the web pages), Doan has created a wonderful website, DoanTrevor.com, that is a feast for the eyes. You can see beautiful wood-stocked rifles being hand-crafted. Doan also illustrates how he creates custom metal parts, and how he beds barreled actions into the finished stocks.
Here are the main tools you’ll need to assemble an AR-platform rifle
Planning to put together an AR-platform rifle? Or are you looking to upgrade your AR with a new barrel, stock, or trigger group? Then you should check out the AR-15 Rifle Build DVD from our friends at UltimateReloader.com. This DVD covers all the details of a custom build, using high-resolution video sequences, and helpful supporting graphics.
In this DVD, Gavin Gear guides you through the entire process including selecting components, acquiring and using the necessary tools, assembly steps and details for each component, and even mounting a scope. Building an AR-15 can be overwhelming, but with the right guidance and help it’s not difficult and can be very rewarding. With this DVD you’ll be able to build your AR-15 with confidence.
Upper: Barrel / Gas Block / Gas Tube
Upper: Handguard Installation
UltimateReloader.com’s AR-15 Build DVD is available just $9.90 (plus $3.80 shipping/handling). This DVD can pay for itself many times over by showing you how to do your own gunsmithing (and get quality AR components at attractive prices).
See Parts Installed in See-Through AR-15 Lower
This isn’t part of UltimateReloader.com DVD, but this YouTube video shows how to install the AR trigger group and other parts in an AR-15 lower. A transparent, see-through Tennessee Arms Company lower receiver was chosen to make it easier to see how the parts are installed.
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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.
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.” Below are photos of a rebated 6BR case, along with the lathe form tool Butch uses to rebate the case rims.
Cutting Head for Rebating Rims
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There’s a chap in Poland named Łukasz Pietruszka, who is a bonafide “Wizard of Wood”. Lukasz handcrafts unique custom stocks, selling them through his LP Gunstocks company. Many of his most eye-catching stocks are for airguns (particularly Field Target rifles), but he also produces fine stocks for rimfire and centerfire hunting rifles. Lukasz is a master carver who includes exquisite details on many of his stocks. Some of these designs, crafted from exotic hardwoods, raise stock-crafting to an art form.
Check out the figure on this Turkish Walnut stock by Łukasz Pietruszka.
You can see a variety of Lukasz’s stocks in a video sampler. If you’re a fan of fine wood, you’ll love this video. So pull up a chair, grab your favorite beverage, and enjoy this 16-minute video interlude.
Watch Video in High Definition
NOTE: We recommend you view this video in high definition, in wide screen format. To do this, start the video, then click on the gear-shaped icon at the lower right-hand corner of the video frame (it’s located just to the right of the clock icon). If you have a fast internet connection, select 720P or 1080P from the pop-up menu. (1080P is the highest resolution.) Now select theater mode or full-screen mode using the small icons on the lower right of the frame.
Radical ‘Shockwave’ from LP Gunstocks
Here is a truly amazing bit of craftmanship. The images below show a one-of-a-kind Shockwave stock created by Łukasz for a Steyr Field Target air rifle. Over the top? Perhaps… but you have to admire the imaginative design and exquisite worksmanship.
Video find by Boyd Allen. We welcome reader submissions.
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