M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, chrome lined carrier, chrome lined phosphate finish
Bolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, shot peened and MPI’d, phosphate finish
Firing pin is machined to the mil-spec print from 8740, precision ground, and chrome plated
One Piece Billet Fully Machined Enhanced Extractor, Phosphate coated for Increased reliability and corrosion resistance
Phosphate Cam Pin
S7 tool steel ejector and extractor retaining pin
4130 Gas Key, chrome lined phosphate, precision staked using our hydraulic staking machine, chrome lined phosphate finish
