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We are dedicated to understanding and promoting AR 308, Armalite AR-10 and 308 AR Semi Automatic Rifles and related upgrades, parts, accessories and the latest news.

PROOF RESEARCH 308 AR PR-10 BARREL 6.5 CREEDMOOR CAMGAS GAS SYSTEM SS

With the release of its new patent-pending Caliber Matched Gas System (CAMGAS) barrels, PROOF Research has eliminated the issues traditionally associated with building 6.5mm and .260 rifles on 308 AR AR-10 platforms. Until now, AR-variant shooters looking for ballistic advantages from either of these calibers were faced with excessive bore pressures that necessitated makeshift solutions such as clipping buffer springs, adjusting buffer weights, and/or relying on adjustable gas blocks, to keep their rifles functioning properly.

PROOF’s R&D team has solved the overpressure issue with gas systems tuned specifically to the cartridge/barrel-length combination. “By moving the gas port, the pressure in the bore is given time to reduce to that comparable of a .308 Winchester with a rifle-length gas system, which is what the 308 AR AR-10 system was designed around,” said Greg Hamilton, PROOF’s research-and-development weapons specialist who’s also a 3-Gun and PRS competitive shooter. “The recoil impulse is noticeably smoother, which helps keep you on target while taking advantage of a more efficient projectile. Case extraction is also easier, with less case-head smearing, so the brass is in much better condition for reloading.”

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FOSTECH ECHO AR-II TRIGGER

Based on a Hiperfire trigger the Echo Trigger has a unique feature that allows an AR to fire when the trigger is pulled and also when released. This translate into much more expensive trips to the gun range. My two initial observations are the trigger is quite expensive and also looks to be pretty complex. At this time I cannot confirm how this trigger functions in a 308 AR or AR-10. If anyone has any experience with the echo trigger drop us a line.

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MAGPUL PRS GEN 3 STOCK | MAGPUL PRECISION RIFLE STOCK

The Magpul PRS GEN 3 stock is a field precision rifle stock for 308 AR, AR308 and AR-10 platforms, featuring tool-less length of pull and cheek piece height adjustment.

With solid adjustments for length of pull and cheek piece height via aluminum detent knobs, the PRS GEN 3 (Precision Rifle/Sniper) stock provides a stable interface and is intended for semi-automatic sniper or varmint type rifles. Offering a nearly universal fit, it is optimized for rifle-length receiver extensions but will also mount to many mil-spec carbine and A5-length tubes*. Includes a cant/height-adjustable rubber butt-pad and rotation-limiting QD sling swivel cups as well as M-LOK® slots on the bottom for rear monopod mounting. Made in U.S.A.

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CRADDOCK GEN 2 BARRELS | DPMS G2 BARRELS

As I mentioned elsewhere on the site Bartlein Barrels known to make some of the most accurate rifle barrels in the world does not make barrels for the 308 AR, AR .308 platform. Instead they send customers to Craddock Precision. In turn Craddock is quickly making a name for themselves for making the most accurate 6.5 Creedmoor and .308 Winchester 308 AR Barrels from Bartlein and Criterion Barrel blanks. Now they are very forward thinking in offering the same accurate barrels for DPMS GII (DPMS G2) and equivalent rifles

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CADEX DEFENCE CDX-10 | AR-10 B LOWER RECEIVER

Cadex Defence the folks who developed the Remington XM2010 sniper rifle, and their own line of sniper rifles and chassis also offer up their own AR-10 B compatible lower receiver the Cadex Defence CDX-10.

Cadex Defence CDX-10 AR10 lower receiver is manufactured to fit Armalite and Noveske upper receiver assemblies. It is precision machined from aeronautic grade 7075-T6 aluminum to provide the user with a high quality lower receiver for their AR-10 B rifle.

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GEISSELE AR 308 HI-SPEED NATIONAL MATCH TRIGGER SET

Geissele’s Hi-Speed National Match AR 308 Trigger combines their exceptional match-grade trigger with their Service Rifle, Designated Marksman Rifle, and Match Rifle Spring sets. Geissele’s adjustable Hi-Speed National Match AR-15 Trigger is designed for competition, hunting, and tactical sniper use, where exact trigger pull weight is essential for success.

The trigger comes with three spring sets, each applicable to a different type of shooting. The Hi-Speed Service Spring is designed for NRA High Power Service Rifle competition and is approved for use in CMP sanctioned competitions. Easily switch to the Hi-Speed Designated Marksman Rifle spring set for tactical and military shooting where trigger pull weight is not regulated. Hi-Speed Match spring set can be adjusted to low pull weights for enhanced trigger control, letting the shooter wring every ounce of accuracy out of his rifle.

With the Geissele Hi-Speed National Match Trigger in your 308 AR, you can easily adjust the triggers first and second stage weight, as well as total pull weight and overtravel to your exact preference.

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Lucas Extreme Duty Gun Oil and Grease | Lucas Oil

LUCAS OIL EXTREME DUTY GUN CARE PRODUCTS – While browsing the Armalite website for an AR-10 Receiver Extension Tube and AR-10 Rifle Length Gas Tube for a project here on 308 AR I noticed a menu heading “Lucas Oil”. Lucas Oil is a brand I’m very familiar with. I use Lucas Oil Fuel Injector Cleaner in our vehicles. That said I had no idea Lucas made gun care products. In my world seeing the Lucas Oils, Greases and Cleaners on the Armalite website is a glowing endorsement. User reviews seem to agree. Needless to say I have an assortment inbound for review. Stay tuned.

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Precision Armament M41 AR 308 Muzzle Brake

The Precision Armament M41Muzzle Brake may not have the “tactical” or “aggressive” look that many 308 AR rifle shooters seem to prefer today. What this muzzle brake does have to offer is proven performance in the field and that is what really matters. Most Precision Armament M41owners are shocked at how well this muzzle brake reduces felt recoil on the .308 Winchester and .300 Winchester Magnum calibers. You can read many reviews of the Precision Armament M41 muzzle brake….

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MEGA ARMS MATEN MKM RECEIVER SET | 308 AR

The Mega Arms MATEN 308 AR Receiver Set has long been my favorite 308 upper/lower combo. It’s precisely made, impeccably finished and looks great. It’s still my “Go To” for 308 AR rifle builds. The MKM is Mega Arms latest incarnation of the MATEN and includes a proprietary and clever barrel and keymod handuard retention system.

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Official Armalite AR-10 Lower Receivers | AR-10A | AR-10B

As if the 308 AR versus AR-10® platform debate isn’t confusing enough Armalite brings confusion to their own platform. Armalite AR-10 lowers are available in two styles. The original AR-10 A series and the AR-10 B series.

Why does Armalite offer two different AR-10 lowers? Original Armalite “waffle” magazines are actually the basis of DPMS LR-308 and KAC SR-25 magazines. During the 1994 Bill Clinton Assault Weapon Armalite decided to switch designs to the modified M14 magazines to ensure customers would have an ample supply of 308 magazines.

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Aero Precision M5E1 Desert MAD Dragon 308 AR Builder Set

Aero Precision M5E1 Desert MAD Dragon 308 AR Builder Set, Product Sku: APPG308004 – The Aero Precision May Builder Set features a 308 AR receiver set with a Desert MAD Dragon Cerakote finish. These AR308 receivers are hand finished by MAD Custom Coating.

This package deal includes the finished pieces you need to assemble your own Desert MAD Dragon Cerakote M5E1 Rifle, including an M5E1 Enhanced Upper Receiver, 308 AR Generation 2 Lower Receiver, Generation 2 Enhanced Handguard of choice and Billet Trigger Guard all finished in Desert MAD Dragon Cerakote. Stand out at the range with a unique and eye catching build. This is a one time offer for this finish – once they are gone, they are gone!

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Learn to build an AR 308, AR-10, 308 AR Rifles! Learn the differences between the 308 AR, AR-10 AR-15 and AR 308 Rifles! Looking for the best 308 Scope for your AR-10, 308 AR, AR308 ? We can help you chose! Looking to buy an AR 308 AR-10 308 AR? Research here first! AR 10 Upper AR 10 Lower AR 308 Parts Tactical Upgrades, 6.5 Creedmoor AR

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