what can you tell me about this BCG? It came out of a colt a1 upper with a replacement FN barrel. bolt has MPC markings, (upper left hand picture) but the carrier
Colt Bolt Carrier Group (BCG) | For Sale at your Colt Super Store
Colt SCW Complete Bolt Carrier Group Assembly
Which bolt carrier group in a 6920? - AR Discussion - New Jersey Gun Forums