7.62X39 AR15 BCG

Machined in house and assembled using only the finest steels and components. KAK Industry takes pride in producing some of the finest Mil-Spec AR15 bolt carrier groups available, made 100% in house at our MO facility using the latest in robotics manufacturing tech - Carrier- machined from aircraft/bearing quality 8620 steel, heat treated, ground to perfection - Profile- M16 full auto profile carrier with correct sear trip placement - Bolt- Machined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, standard .125 bolt face depth, Shot Peened, MPI Tested - Firing pin- Machined to the mil-spec print from 8740, precision ground, properly heat treated - Extractor- Machined enhanced billet extractor - phosphate coated - Ejector- S7 tool steel ejector and extractor retaining pin - Gas Key- 4130 steel, nitride treated, precision staked using our hydraulic staking machine For 7.62x39, 9x39, or similar, designed to run both steel and brass cased ammo