The Luth-AR UR-05AA1 is an A1-style ejection port cover assembly for AR-15 upper receivers. The dust cover keeps dirt and debris out of the action when the rifle is not firing. The A1 style suits retro builds and replacement of damaged or missing covers.
- Brand: Luth-AR
- Type: ejection port cover assembly
- Style: A1
- Listed weight: 0.05 lb
- Part number: UR-05AA1
