Diamondback Barrels 5.56 NATO AR-15 Bolt Carrier Group BCG Black Nitride DB15-BCGS. 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...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Diamondback Barrels
  • Sku
  • DB15BCGS
  • Identity
  • 20900419817

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