COLT AR15A4 Firing Pin

FITS:

AR-15 Accurized HBAR, .223; AR-15 Government Carbine, .223; AR-15 Match Target, .223; AR-15 Match Target Competition HBAR, .223; AR-15 Match Target Competition HBAR II, .223; AR-15 Match Target HBAR, .223; AR-15A3 Tactical Carbine, .2