M16 Full-Auto Bolt Carrier Group - Nitride

Complete bolt carrier assembly with bolt, bolt carrier, and firing pin ready to drop into the rifle or carbine upper of your choice. Each bolt is batch high pressure tested and magnetic particle inspection tested to ensure it's free from imperfections that can lead to premature failures. Properly staked gas key prevents gas leakage that can lead to short stroking. M-16-style carrier has full-length shroud for tripping auto sear, so this carrier may be installed on full-auto law enforcement and military rifles. Carrier and gas key has smooth cycling and resistance to wear from hot combustion gases for years of dependable service.