WILSON COMBAT Bolt Carrier Assembly 5.56x45mm Satin Gray SS

WILSON COMBAT Bolt Carrier Assembly 5.56x45mm Satin Gray SS - NP-3 plated semi-auto carrier with Mil-Spec gas key chrome lined and heat treated per GI specifications - Gas key secured with Mil-Spec grade 8 fasteners and properly staked per Mil-Spec - Bolt assembly machined from Carpenter No. 158 steel, shot peened for increased strength - Includes tool steel machined extractor and ejector, and extractor spring - Carrier is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI)