Bravo Company MK12 18" Stainless Steel Rifle Length Gas System 5.56 NATO Barrel

MK12 Stainless Steel Rifle Length Gas System Features The Bravo Company BCM Mk12 18 Stainless Steel Barrel kit enables you to upgrade your AR-15 with the same barrel BCM puts on their Precision rifles. The barrel comes ready to install on your rifle with BCM low-profile gas block and a gas tube. Bravo Company's BCM Mk12 18 Stainless Steel Barrel comes with a 5.56 NATO match (USMC SAM-R) chamber and hand-lapped 1-8 button rifling for superb accuracy potential. M4-type feed ramps ensure the rounds make their way into that chamber consistently and reliably. MK12 Stainless Steel Rifle Length Gas System Specifications Phosphate finished mil-spec low profile gas block Rifle-length gas system for gentler reliable cycling 18 length gives a balance of compactness and additional velocity for improved long-range performance .750 O.D. at gas port Barrel extension included & installed 1/2-28 tpi muzzle threads (muzzle device not included) Contour: M4 Finish: Silver Gas System Length: Rifle Length: 18 Make: AR-15 Muzzle Threads: 1/2-28 Twist: 1-8 Cartridge: 5.56 mm NATO