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October 17th, 2009

Greatest Hits: Hornady Hydraulic Forming Die

LINK: Hydraulic Case-Forming Die
H20 and a hammer is all you need to form “improved” cases if you have one of Hornady’s hydraulic forming dies. Put a water-filled case in the die and slip in the piston from the top. A couple of stong wacks with a lead-faced mallet and “presto” you have formed cases. No powder, bullets, or fire-forming barrel needed.

Permalink Bullets, Brass, Ammo, Gunsmithing No Comments »
October 17th, 2009

Greatest Hits: Indexable Rimfire Action

LINK: Bill Myers’ Indexable Rimfire Action
Does the rotational position of a rimfire barrel (relative to the action) affect accuracy? Many smart folks think it does. But how can you set the barrel at different rotational orientations to find what position works best. Bill Myers came up with a clever answer. Using a cone breech (so extractor position doesn’t matter), Bill fits a bushing on the end of the barrel, which is then clamped by the action.. This allows the barrel to be rotated without altering headspace.

Permalink Gunsmithing No Comments »
October 16th, 2009

Krieger Barrels Now Offers 5R Rifling Option

Krieger Barrels 5RKrieger Barrels, respected maker of cut-rifled match and hunting barrels, announced it will offer 5R rifling for 6mm, 6.5mm, 7mm, and .308 caliber barrels. This kind of rifling features 5 lands and 5 grooves, but the lands are angled (slanted) on the sides (rather than 90°) for a gentler transition between land and groove. Krieger’s 5R rifling slants BOTH the leading and trailing edge of the lands (unlike “ratchet” rifling which is angled on one side only). 5R rifling also places each land opposite a groove. Having lands opposing grooves, along with slanted sides on the lands, is thought to give a better gas seal and reduced fouling. Additionally, some folks believe 5R rifling reduces jacket deformation by displacing less jacket metal. Overall, proponents of 5R rifling say it helps a barrel foul less and deliver more velocity than conventional rifling.

5R rifling will add $30 to the cost of a Krieger barrel. Krieger will NOT offer 5R rifling for gas gun barrels. Additionally, 5R rifling is offered only for constant twist-rate barrels. So, you can NOT get a gain twist barrel with 5R rifling. At this time 5R rifling is limited to 6mm, 6.5mm, 7mm, and 30 caliber bores, as listed in Krieger’s official announcement:

“Thanks to approval by Boots Obermeyer, Krieger Barrels, Inc. is now offering the true Obermeyer 5-R rifling pattern as an option on limited calibers with our barrels. We are very proud of the fact that Krieger Barrels was chosen as the only Obermeyer-approved maker of his style of 5-R rifling in North America. At this time we are limiting the 5-R option to the calibers listed below, but may offer others in the future as greater demand arises. There is a $30.00 up-charge to the base cost of the barrel for 5-R rifling. Currently available calibers:

– 6mm (.236″ & .237″ bore diameters, .243″ groove)
– 6.5mm (.256″ bore, .264″ groove)
– 7mm (.277″ bore, .284″ groove)
– .30T Palma (.3065″, .3070″ & .3075″ groove diameters)
– .308 cal (.300″ bore, .308″ groove)

5-R rifling is ONLY available in standard bore/groove dimensions listed and standard twist rates at this time. Please call if you have questions about availability of a certain caliber/twist combination. Please note, we are not, and have no plans to offer 5-R rifling in our finished ‘Gas Gun’ lines of M14, M1 Garand, AR-15, and AR-10 variants.”

5R Rifling in Production Guns
In the past, limited runs of Remington 700 tactical rifles, including some LE and SS (stainless special) models, have been offered with factory hammer-forged 5R barrels. These rifles have a reputation for shooting faster and more accurately than Rem 700s with conventional factory barrels. The Remington 5R barrels, though based on Obermeyer designs and similar to Mike Rock 5R barrels produced for the Army’s M24 sniper rifles, are NOT cut-rifled, but are produced in-house using the hammer-forging process.

Krieger Barrels 5R

Thompson/Center (T/C) Icon and Venture rifles currently feature 5R factory barrels. On T/C 5R barrels, the sides of each land are cut at a 65° angle vs. a 90° angle for standard rifling. See diagram. T/C claims that “because the edges of each land do not cut into and deform the bullet jacket… there will be less jacket fouling in the grooves”. T/C says this produces “greater bullet stability over multiple shots, and ultimately a rifle that’s easier to clean[.]”

Permalink Gunsmithing, New Product, News 4 Comments »
September 28th, 2009

World Side-by-Side Shotgun Championships in Maryland

The Order of Edwardian Gunners, aka The Vintagers, held the World Side by Side Championships at Pintail Point on Maryland’s Eastern shore this weekend. Founded in 1994, the Vintagers has held 13 annual events where those who love double-barreled shotguns come together once a year, many in Edwardian attire, and shoot their prized side-by-sides.

Double Shotgun

Ray Poudrier, President of the Order of Edwardian Gunners, describes the event as low-key, low-pressure, and something that everyone can enjoy. He said, in keeping with the relaxed atmosphere of the event, “Those that shoot to win often lose. Those who shoot for fun always win.” This is the fifth year that the Vintage Cup has been held at Pintail Point. Maryland’s Eastern shore is a perfect setting for the shotgun enthusiast as it is the site of some of the finest waterfowl hunting in the whole country.

Double Shotgun

The four-day event hosts matches for both hammer and hammerless side-by-sides in 10 – 410 gauge competitions. Special classifications for 10 gauge, and 16 (or lower) gauge guns, as well as Drillings and black powder cartridges, make for a variety of interesting stages. There is a two-man challenge where the shooter and their loader must shoot 200 targets in four minutes. A stalking rifle and stopping rifle combination event offers the double rifle shooter some fun with moving paper elephant and rhino targets at typical safari hunt distances.

Vendors from as far away as Europe offer some of the finest in side-by-side firearms, antique and modern, as well as vintage clothing and accouterments. There is a special “Bertie” award, the nick-name of King Edward VII of Great Britain, for the man and woman “whose attire, throughout the event, best celebrates the Edwardian period.” To learn more about the Vintage Cup, visit Vintagers.org or write: The Vintagers, P.O. Box 31, Hawley, MA 01339.

Story by Phil Schreier, courtesy the NRA Blog. Large photo courtesy B. Searcy & Co..

Permalink Gunsmithing, News No Comments »
September 17th, 2009

Another "Glam Tactical" From Russo and Lambeth

Forum member Steve C. (aka RemVS308) unveiled his handsome new .308 Winchester in the Pride & Joy thread in our Shooters Forum. Sporting a beautiful, exotic hardwood A5-L stock by Joel Russo, the gun features premium components all around. We’ve had to create a new descriptive category for this kind of rifle which combines a tactical-style stock and multi-shot action with fancy wood. We call it “Glam Tactical”. (CLICK HERE for another Russo “Glam Tactical” rig.) The stock on Steve’s rifle is laminated African Pomele Sapele wood. If you are interested in a Russo stock for your next project, email jkrussos [at] comcast.net, or call Joel at (717) 805-0940.

Russo Stiller Custom .308 Win

The barrel is a 1:11.25″-twist, MTU contour, 26″ Krieger. It was chambered by gunsmith Nat Lambeth and fitted to a Stiller Predator action with Jewell HVR trigger. Befitting a proper multi-purpose rifle, the gun has Pacific Tool & Gauge stainless bottom metal and a Wyatt extended magazine. Up front is a Harris bipod, fitted with KMW Pod-Loc and Zephyr Dynamics Pod-Paws (Zerphyr’s Paws are, unfortunately, out-of-production).

Russo Stiller Custom .308 Win

For optics, Mike’s rifle carries a 12-42x56mm Nightforce NXS scope in Seekins rings. Overall this eye-pleasing package combines the visual appeal of premium wood with serious long-range accuracy. So, is this gun a “beauty” or a “beast”? Maybe both — and that’s why it’s such an appealing rig.

Permalink Gunsmithing 5 Comments »
August 20th, 2009

Brownells Releases Catalog Number 62

Brownells catalog The latest Brownells Catalog #62, is now available and it’s bigger than ever. This monster 592-page catalog now contains over 30,000 total products, with more than 1,200 that are new since 2008. Some of the thirty sections include: AR-15/M16; 1911 AUTO; Rifle and Shotgun Sights; Holsters and Mag Holders; General Gunsmith Tools; Metal Finishing; Screws and Hardware Kits; plus sections for Rings and Bases; Books and Videos; Optics and Accessories; and Stockwork.

According to company President Pete Brownell, “The ‘Dream Gun’ idea has proven to be very popular and we’ve updated it with six new-to-the-big-book ARs and another eight new 1911s showing some ideas on building a gun just the way you want it using products in the Catalog”.

Catalog #62 is currently available for purchase. To order, or for more information, call 800-741-0015 or visit Brownells.com and mention code “PFE”.

Permalink Gunsmithing, News No Comments »
July 29th, 2009

Dennis Builds Another 20 Practical AR Tack-Driver

20 Practical AR15Here at AccurateShooter.com, we have promoted the “20 Practical”, a great little cartridge created by simply necking down the .223 Remington to 20 caliber. Popularized for bolt guns by Warren B (aka “Fireball”), the 20 Practical is also an excellent choice for an AR-platform varmint rifle. It offers better ballistics than a .223 Rem, with less recoil, and more velocity. Plus the 20 Practical, by all indications, appears to be an inherently accurate cartridge that “wants to shoot”. Our own AR ‘Ultimate Varminter’ project rifle, developed with Robert Whitley, was chambered as a 20 Practical. That gun shot “lights out”, demonstrating how well the little cartridge works.

Forum member ‘Dennis in VA’ recently put together his own 20 Practical AR with all-premium components. Dennis took his impressive new gun to the range yesterday, and it looks to be a tack-driver. Check out the target below, shot with Sierra 39gr BlitzKing bullets. That’s three shots in 0.375″ edge-to-edge, at 100 yards. (NOTE: regarding this H335 load, we advise to start 10% low and work up.)

AccurateShooter 20 Practical AR15

Dennis got his upper from Whitley’s AR-X Enterprises. It features a heavy billet upper receiver (with side charging handle), fitted with a 24″ PacNor SS Super Match 11-twist barrel. Mounted to the upper is a +20 MOA, GS-1 Scope Rail from GG&G. Riding on top is a Nightforce 5.5-22X50 NP-R1 scope in Nightforce ultra-light rings.

AccurateShooter 20 Practical AR15

The lower is equally exotic. Machined from billet by American Precision Arms, it is fitted with with a RRA LPK and a Geissele trigger. The tan, adjustable stock is a Magpul PRS model (Gen II). An Ergogrip tactical deluxe Suregrip completes the build. Dennis in VA has put together a very nice set-up to say the least. And it definitely shoots.

AccurateShooter 20 Practical AR15

To learn more about the 20 Practical cartridge for AR rifles, visit Robert Whitley’s 20 Practical Webpage. There you’ll find load data, info on dies and reloading, plus advice on hardware and barrel selection. Robert also has a video showing how to form 20 Practical brass.

Permalink Gear Review, Gunsmithing 2 Comments »
July 19th, 2009

Rifle Trigger Springs from Ernie-The-Gunsmith

Ernie Paull from California was an active competition shooter for many years. However, his eyesight has declined so he has turned his attention to providing components for shooters and gunsmiths. Through his Ernie the Gunsmith website, Paull sells a variety of useful products including gun trigger springs, pillar-bedding kits, Accu-Risers, and pillar installation tools. This Bulletin post focuses on Ernie’s trigger springs. Ernie offers springs for a wide variety of rifles: Browning (A-Bolt, A-Bolt 22, X-Bolt), CZ (m452), Kimber, Remington (XR100, XCR, 7, 700, 722, 788, 7600 and more), Ruger (77, 77-22, LC6), Tikka (T-3), Weatherby (MK-V), and Winchester (M-70).

Springs start at just $6.95. Ernie also sells springs for the Rem-compatible Shilen Benchrest trigger, as well as Rem 700 ejector springs and trigger alignment springs. For Rem 700 rifles, Paull makes a spring that fits all Remington M-7 and M-700 triggers including the 2007-vintage X Mark-PRO trigger (but not the new X Mark-PRO trigger introduced in 2009). Ernie says: “on average, installation of his Model-700 spring will reduce factory triggers’ weight of pull by 1½ to 2½ lbs with no other changes. The exact amount of creep, overtravel, and weight of pull are dependant upon the type and amount of tuning accomplished by your gunsmith.”

We often hear requests from Tikka T-3 owners asking how they can reduce their trigger pull weight. Paull offers a Tikka T-3 varmint trigger spring which can reduce the pull weight significantly. The photo at left shows the Tikka T-3 trigger assembly.

While there is more to a good trigger job (in most cases) than just a spring swap, you need to have the proper rate spring when adjusting trigger pull weight downwards. NOTE: For safety reasons, we recommend you consult a competent gunsmith before modifying factory triggers. We stress the word competent…

Ernie has observed that some gunsmiths try to lighten trigger pulls by modifying factory springs in questionable ways: “I have worked with gunsmiths in the past who, when the subject turned to trigger springs, preferred to clip them, grind them, heat them, bend them, smash them, or simply back out the weight of pull screw until there was no or almost no pressure on the spring. With any of these methods, you get a spring whose rate is rapidly rising as the trigger is pulled. As the trigger is released, the spring rate rapidly decreases as it approaches full or near-full extension. A more uniform weight of pull will be achieved when the trigger spring is compressed within its normal working range throughout the entire movement of the trigger. In the long run, the benefits of saved time, plus more uniform and reliable results, will more than offset the cost of these [replacement] springs. If you want a lighter trigger pull, you need a lighter trigger spring.”

Permalink Gunsmithing, New Product 2 Comments »
July 15th, 2009

ATF Letter Clarifies Rules on Firearm Receiver Transfers

AccurateShooter ATF logoWith the current high demand for AR15-style rifles, the sales of both bare (stripped) and semi-assembled lower AR receivers has increased dramatically. This has led to questions, from both buyers and Federal Firearms License holders, as to how these lower receivers should be handled during sales. The ATF has issued a letter which deals with these issues. Important points to note are:

1) An FFL may not sell a frame or receiver to anyone under 21 years of age [Title 18, U.S.C., section 922 (b)(1)]. Comment: This is because the receiver could, potentially, be made into a pistol.

2) An FFL may not transfer a frame or receiver to an unlicensed person from another State. [Title 18, U.S.C. section 922(b)(3)]. Comment: Again, this tracks the rules regarding transfers of pistols, because some frames/receivers can be built into pistols.

3) Multiple handgun sales forms (ATF forms 3320.4) are NOT required for sales of multiple frames or receivers of any firearm, as they are not pistols or revolvers. Comment: This may seem inconsistent with points 1 and 2 above, but this follows from the provisions of CFT 478.11 which states that bare frames or receivers are not handguns until so assembled.

Further information on these points is contained in the July 7, 2009 letter from the ATF, which is linked below. All FFLs are encouraged to download this letter and read it carefully.

CLICK HERE for 7/9/2009 Letter from ATF Re Firearm Frames and Receivers

AccurateShooter AR15 lower

Permalink Gunsmithing, News 4 Comments »
June 19th, 2009

Brownell's Launches Updated Website

Brownell’s new, enhanced website is now “live”. The new site is easier to navigate, and “how-to” features such as the Gun-Tech articles/videos are more accessible. Featured Products and New Products are now located “front and center”. The search function is much more user-friendly. Brownell’s has even created an animated TUTORIAL explaining all the new features. CLICK HERE to watch the tutorial.

Brownells.com Tutorial

Better Product Organization and Display
To make it easier to find products by type, all products are grouped into nine tab-linked classes on the home page: Rifle parts, Handgun parts, Shotgun parts, Magazines, Shooting accessories, Gunsmith tools, Optics, Gun cleaning, and Books & videos. With one click you can now access all the optics, or all the videos for sale. Product images can be enlarged with a simple click and many include 360° viewing options.

Brownell's gun products

Customer Product Ratings
We really like the fact that customers can now rate, review and comment on products. You can also get your questions answered through the interactive Answerbox feature.

Informational Content More Accessible
The GunTech and Shopping areas are now more heavily linked to make the videos, articles, cheat sheets, instructions found under GunTech easily accessible from the product pages. Products are also now accessible from the GunTech pages.

Permalink Gunsmithing, News No Comments »