Adams Arms Nitride DI M16 Bolt Carrier Group BCG - Special
Adams Arms Nitrided Bolt Carrier GroupDirect impingement full auto rated bolt carriers are compatible with mil-spec associated components. This bolt carrier is machined to meet all MIL TDP specifications and is enhanced using Black Nitride treatment providing superior:
Bolt carrier group comes complete with 5.56 MP Tested bolt, nitrided cam pin, milspec firing pin, and nitrided cotter pin. Fully staked gas key. Extractor includes installed o-ring for enhanced strength. M16 carrier (these type carriers are ATF ok'ed for AR15 semi rifles).