CMMG ZEROED POLYMER EJECTION PORT COVER KIT AR-15 55BA6C8

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.