Spikes ST5BG03 Bolt Carrier Group 223 Rem 5.56x45mm NATO Nickel Boron Steel AR-15 M16 Full Auto

Spikes Tactical Complete Phosphate M-16 BCG features phosphate coating inside and out (bolt carrier and gas key) laser engraved with ST spider logo mil spec carrier and full auto M-16. Includes Mil-Spec Extractor Mil-Spec Gas Key Firing Pin Cam Pin and Retaining Pin.