This Noveske ejection port cover is a mil-spec dust cover for AR-15 upper receivers, engraved with 5.56 on the outward-facing side. It comes with the port door rod, spring and clip, so it is ready to install on a standard upper. It is an easy way to mark caliber and add a finished look to a build.
- Fits: Standard mil-spec AR-15 upper receivers
- Engraving: 5.56 on outward face
- Includes: dust cover, rod, spring, clip
- Color: Black
- Manufacturer part number: 05002579