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 a forward assist serrations.The bolt features double o-rings and springs, is made of steel and is has a multi-caliber bolt designed to function with.308, 7.62x51, 6.5 creedmoor,.338 federal and other.308 based cartridges.Included is a bolt carrier, complete bolt, firing pin, cam pin, retaining pin, and a aero precision "a" logo.

Finish: Black Phosphate
Type: Bolt Carrier Group
Model: Bolt Carrier Group
Size: 308
Material: Steel
Safety: Manual
Hand: Right