Trigger Supply M16-Profile BCG — 100% USA Made

This bolt carrier group fits standard AR-15 and M16 pattern rifles with no modification required. The full-auto profile carrier is machined from 8620 steel with a properly staked gas key and includes a Carpenter 158 bolt that meets military specifications. Designed for semi-automatic fire with one round discharged per trigger pull, it provides reliable cycling when paired with a mil-spec lower receiver. The phosphate finish offers corrosion resistance while maintaining proper lubrication retention. This complete assembly includes firing pin, cam pin, and retaining pin ready for installation. Made entirely in the US with domestic materials and labor.