Rock River Arms AR-15 A4 Completed Upper Receiver 9mm Upper 9MM0328B
- UPC:
- 842834103928
- MPN:
- 9MM0328B
- Main Version:
- Rock River Arms AR-15 A4 Upper
- Caliber:
- 9mm
- Manufacturer:
- Rock River Arms
- Version:
- AR-15 A4 Completed Upper Receiver
- Features:
- 6" R4 Handguard, A2 Flash Hider
- Type:
- Upper
- Finish:
- Black
- Barrel Length:
- 16"
