Aero Precision .308 / 7.62 Bolt Carrier Group - Black Nitride

This M5 .308/7.62 bolt carrier is a firing mechanism for your big-bore rifle build. It features a mil-spec phosphate finish, is made of steel, chrome lined gas key and firing pin channel, and has forward assist serrations. The bolt features double o-rings and springs, is made of steel and has a multi-caliber bolt designed to function with .308, 7.62x51, 6.5 Creedmoor, .338 Federal and other .308 based cartridges.