Upgrade your AR15/M4 with the Aim Sports Mil-Spec Dust Cover Assembly in sleek black. This premium ejection port cover is built to MIL-SPEC standards ensuring dependable performance and durability. The set includes the cover rod spring and c-clip for a complete hassle-free installation. Whether you're replacing an old part or enhancing your build this dust cover provides reliable protection against dirt and debris. A must-have for AR15/M4 enthusiasts seeking quality and precision.