The Brownells M16 7.62x39 Bolt Carrier Group offers AR-15 builders building a unique rifle chambered in the 7.62x39 cartridge with the final necessary component needed to get their gun running right.T..
The Brownells M16 5.56 Complete Bolt Carrier Group is designed to work
easily and reliably in any AR-15 or M16 rifle chambered in 5.56x45mm,
300 AAC Blackout or .223 Remington. The Brownells M16 5..
The Brownells 6.5 Grendel / 6mm ARC Bolt Carrier Group provides users with a caliber-specific bolt carrier assembly that ensures reliable, premium performance at an affordable price.The Brownells 6.5 ..
The Faxon M16 Bolt Carrier Group for 6.5 Grendel / 6mm ARC offers
premium performance for your favorite AR platform. The Faxon Type II
(.136 Bolt Carrier Group is made from 9310 tool steel, heat t..