Over 30 years of experience and expertise go into every Criterion barrel. AR Barrels by Ballistic Advantage and Faxon Firearms. Good News! for 1,880 ft.-lbs. If this upper I put together (their Shilen 6 ARC barrel and my Aero M4E1 upper receiver) shoots as good as my other uppers Mike has built me, I'll be extremely happy. 16" to 26" in length Rifle to Rifle +2 Gas System 6mm ARC Chamber Enhanced / Enlarged M4 Feed Ramps Bartlein Match Grade SS Blank Three Options of Gas Block Engineers also shortened the case to make the cartridge friendly to long low-drag bullets that have high ballistic coefficients. 224 Valkyrie The 6mm ARC gives hunters the ability to successfully hunt varmints and deer. Made from 416R stainless steel and finished with a black Nitride finish, these come in a heavy profile with a 1-8 5R twist rate, and 5/8-24 muzzle threads. This experience combined with gun barrel quality steels, our stringent inspections at every process, and Criterion employees’ commitment to quality make a Criterion barrel the best choice for your next barrel… Order the EDCX9S, EDC X9 & X9L/Accessories, Order Beretta/Wilson Collaboration Pistols, Beretta/Glock/SIG/Misc Firearm Accessories. When using an adjustable gas block, reliability is best achieved at the fully open setting without any gas port restriction. From 5.56, .223, 6.5 Creedmoor, .308, 300 Blackout, to .300 HAM'R and more in a variety of lengths and profiles, you'll find what you're looking for from Wilson Combat. Billet Upper (Flat-Top) and Billet Lower Receiver, Wilson Combat Recon Tactical Match Grade Barrel, Intermediate Length Gas System with Lo-Profile Gas Block, Wilson Combat/BCM Starburst Gunfighter Grip, Black, Wilson Combat TTU (Tactical Trigger Unit) M2, 4#, Premium Bolt Carrier Assembly, Nickel Boron, Standard Buffer with 40 Coil Chrome Silicon Flat Wire Buffer Spring, Armor-Tuff® Finish applied over Mil-Spec Hard Anodized Upper/Lower Receivers. Yes it is designed to run in AR15-platform rifles. Free access to all owner's manuals can be found in the information tab located in the navigation menu above. can exceed it Additionally, it Wilson Combat will not troubleshoot customer built firearms/uppers. HUGE savings, free shipping and thousands of AR Barrels in stock and ready to ship! Because of the nature of the AR parts business and varying pressures of commercially available ammunition, Wilson Combat cannot guarantee function in customer built AR rifles. The heart of every Recon Tactical is our unsurpassed Wilson Combat match-grade, medium-weight stainless steel barrel designed for gilt-edge accuracy and sustained high rates of fire. “The 6mm ARC does much of what larger cartridges can and everything that smaller cartridges can’t,” Quinlan said. To fully take advantage of the performance of the 6mm ARC cartridge Brownells has teamed up with Faxon to offer these AR-15 6mm ARC barrels. As buffers and springs play a role in overall reliability, the use of an aftermarket style buffer system is not recommended. But I’ve just picked up a Wilson Combat .300 HAM’R, and I think it will be far more potent for 0-300 yard stuff If you already have an AR chambered in 6.5 Grendel, the ONLY thing you need to change is the barrel. of energy at the muzzle. 6MM ARC SHOP NOW About Us LIGHTWEIGHT - ACCURATE - FAST COOLING Carbon Fiber Tension-Wrapped Barrels Patent No. When using an adjustable gas block, reliability is best achieved at the fully open setting without any gas port restriction. Brownells unveiled a line of exclusive barrels and complete uppers chambered in Hornady’s newly-announced 6mm ARC – a cartridge designed to optimize long-range performance potential in standard-sized AR-15 rifles. • The 6mm ARC offers a 30 to 35% lighter-weight package (gun and ammo). The old 243 Winchester can beat that by about 300 fps. CONTACT US  – All Rights Reserved Wilson Combat©. The 6mm ARC cartridge is a new SAAMI-spec cartridge based on the 6.5 Grendel case necked down for 6mm bullets, with the shoulder moved back 0.030. From an 24" test barrel, the 6mm ARC launched a 108-gr. ELD Match bullet at 2800 f.p.s.