DoubleStar M-16 Full-Auto Bolt Carrier Group BCG Black AR100M. made from 8620 Steel and coated per Mil-Spec. Assembly includes a staked gas key chrome-lined carrier and gas key and bolt assembly. 9mm does not require bolt. Specifications for...
DoubleStar M-16 Full-Auto Bolt Carrier Group BCG Black AR100M. made from 8620 Steel and coated per Mil-Spec. Assembly includes a staked gas key chrome-lined carrier and gas key and bolt assembly. 9mm does not require bolt. Specifications for...