Walker Defense Research Research Steel Bolt Carrier Group BCG 5.56mm / .300 BLK DLC Flat Dark Earth FDE-DLC-BCG-556. FDE DLC offers lower friction easier cleaning and better lubricity including a lower overall need for lubrication compared to a...
Walker Defense Research Research Steel Bolt Carrier Group BCG 5.56mm / .300 BLK DLC Flat Dark Earth FDE-DLC-BCG-556. FDE DLC offers lower friction easier cleaning and better lubricity including a lower overall need for lubrication compared to a...