Dark Storm Industries DS-15 5.56 Bolt Carrier Group BCG Nickel Boron DSI-BCG-556-NIB. 223 5.56 or .300 Blackout Specifications for Dark Storm Industries DS-15 5.56 Bolt Carrier Group (BCG): Manufacturer: Dark Storm Industries Fabric/Material: Steel...
Dark Storm Industries DS-15 5.56 Bolt Carrier Group BCG Nickel Boron DSI-BCG-556-NIB. 223 5.56 or .300 Blackout Specifications for Dark Storm Industries DS-15 5.56 Bolt Carrier Group (BCG): Manufacturer: Dark Storm Industries Fabric/Material: Steel...