Diamondback Barrels 5.56 NATO AR-15 Bolt Carrier Group (BCG)

Diamondback Firearms 5.56 Bolt Carrier Group BCG is coated in a black nitride finish to prevent carbon build up and ensure that your rifle keeps functioning. You can be confident that every part of this Bolt Carrier Group BCG is machined, installed, and tested to a high standard of quality. Specifications for Diamondback Barrels 5.56 NATO AR-15 Bolt Carrier Group (BCG): Manufacturer: Diamondback Barrels Color: Black Finish: Nitride Fabric/Material: Steel Cartridge: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Weight: 16.05 oz Bolt Material: Steel Package Contents: Diamondback Barrels 5.56 NATO AR-15 Bolt Carrier Group