Description
Luth-AR UR-21K A2 rear sight assembly kit is for AR-15 firearms that use A2 upper receivers. It is a rear sight assembly/kit in black. This is a sight component intended to match A2 upper receiver setups.
Key details
- Fits: A2 upper receivers for AR-15 firearms
- Part: A2 rear sight assembly/kit
- Finish: Black
