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Franklin Armory AR-15 Bolt Carrier Group (BCG) has been discontinued by Franklin Armory and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts, Bolt Carrier Groups yourself to try and find the perfect replacement for you!
Franklin Armory AR-15 Bolt Carrier Group BCG come in the following calibers: 5.56 NATO. 6.8 SPC. 6.5 Grendel. 7.62x39. 450 BM. Carrier machined from 8620 Steel. M16 Weight. Properly staked gas key. Polished finish. Franklin Armory logo included. Treated with Salt Bath Nitride or Nickel Boron. Bolt Machined from 9310 or 158 Carpenter steel (depending on availability). Includes Extractor O-Ring. Stainless Steel Firing Pin.![]()



