The CMC Triggers Ejection Port Cover Assembly is a standard dust cover for AR-15 upper receivers. It keeps dirt and debris out of the action when closed and pops open on the first shot. It is a direct replacement for a damaged cover or a finishing part for a new upper build.
- Brand: CMC Triggers
- Type: Ejection port cover assembly
- Fits: AR-15 upper receivers
- Color: Black
- Manufacturer part number: CMC-DC-STD
