Mitchell Defense Enhanced M16 6mm ARC Bolt Carrier Group 9310 Bolt Black 612001. It features a nitride-treated 9310 MPI-inspected bolt for strength paired with a full-mass 8620 M16 carrier for consistent cycling. The billet extractor with O-ring...
Mitchell Defense Enhanced M16 6mm ARC Bolt Carrier Group 9310 Bolt Black 612001. It features a nitride-treated 9310 MPI-inspected bolt for strength paired with a full-mass 8620 M16 carrier for consistent cycling. The billet extractor with O-ring...