Bolt Carrier Group

F-1 Firearms

F-1 Firearms DuraBolt BCG Assembly - .223/5.56 - Rose Gold

Lantac USA

Lantac Enhanced BCG Assembly - .223/5.56 - Gray

Lantac USA

Lantac Enhanced BCG Assembly - .223/5.56 - Gold

Lantac USA

Lantac Enhanced BCG Assembly - .223/5.56

Lantac USA

Lantac M-SPEC BCG Assembly - .223/5.56

Knights Armament Co.

Knight's Armament Company Sand Cutter Bolt Carrier - .223/5.56 - Silver

CMMG

CMMG BCG Assembly - .223/5.56

CMC Triggers

CMC Triggers Enhanced BCG Assembly - .223/5.56

Wilson Combat

Wilson Combat BCG Assembly - .223/5.56

F-1 Firearms

F-1 Firearms DuraBolt BCG Assembly - .223/5.56 - Chrome