AUTO 7.62X39 BCG (BOLT CARRIER GROUP)

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 techCarrier- machined from aircraft/bearing quality 8620 steel, heat treated, ground to perfection, and nitride treated by H&M BlackNitride(TM)Profile- M16 full auto profile carrier with correct sear trip placementBolt- Machined from aircraft/bearing quality 9310 steel, heat treated properly, precision ground, and Nitride finished, standard .125 bolt face depth, MPI TestedFiring pin- Machined to the mil-spec print from 8740, precision ground, properly heat treated, and chrome platedCam Pin- Nitride treatedExtractor- Machined enhanced billet extractor - phosphate coatedEjector- S7 tool steel ejector and extractor retaining pinGas Key- 4130 steel, nitride treated, precision staked using our hydraulic staking machineFor 7.62x39, 9x39, or similar, designed to run both steel and brass cased ammo