Our Aero Precision .308 / 7.62 Bolt Carrier Group, Complete - Black Nitride, is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Black Nitride finish, is MPI/HPT and now includes a laser engraved Aero Precision "A" logo!
AIM AR/M16 H4 .223/5.56 Nitride 9310 MPI Bolt Carrier Group. A newly designed carrier reduces the surface area contact between the carrier and receiver walls. This improves performance and reliability.
Bootleg 5.56 Assembled Nitride Bolt Carrier Group feature a matte Black Nitride finish. Complete Mil-Spec Assembly with Bolt, Bolt Carrier, and Firing Pin ready to drop into the AR upper of your choice.
Bootleg Four Position Adjustable Carrier group complete, Machined from S7 Tool Steel, Lithium Isonite Coating, 4 Setting Adjustable Vent System relieves excess gas pressure created from suppressor use creating longer dwell time and less blowback to the shooter.