LBE Unlimited Nickel Boron Coated 556 Bolt Carrier Group BCG Nickel Boron Coated LBM16BCG-NIB. The manufacturer suggests that LBE Unlimited Nickel Boron Coated 556 Bolt Carrier Group (BCG) is compatible with AR-15LBE Unlimited LBM16BCG-NIB: Nickel...
LBE Unlimited Nickel Boron Coated 556 Bolt Carrier Group BCG Nickel Boron Coated LBM16BCG-NIB. The manufacturer suggests that LBE Unlimited Nickel Boron Coated 556 Bolt Carrier Group (BCG) is compatible with AR-15LBE Unlimited LBM16BCG-NIB: Nickel...