CMMG, ZEROED, AR15/M16 Polymer Ejection Port Cover Kit
The smallest details can make the biggest difference and the CMMG polymer dust cover is here to elevate the style and function of one of the most overlooked parts on any AR15. Rigid polymer design creates a lighter ejection port dust cover with a clean look and rugged durability. You don’t have to settle for mil-spec, build/upgrade to your spec.
