The Fortis Manufacturing Billet Dust Cover is a machined ejection port cover for AR-15 upper receivers. It keeps debris out of the action when closed and gives the upper a cleaner, more finished look than a stamped cover. It is anodized black to match most receivers.
- Brand: Fortis Manufacturing
- Type: Billet dust cover (ejection port cover)
- Fits: AR-15 upper receivers
- Finish: Anodized, black
- Manufacturer part number: DS-STAND-BLK
