RISE Armament Watchman XR 6mm ARC 18" Bbl Sniper Grey Complete Upper RA-6ARC-CU-GRY-18
RISE Armament Watchman XR 6mm ARC 18" Bbl Sniper Grey Complete Upper RA-6ARC-CU-GRY-18, RISE Armament Watchman XR 6mm ARC 18" Bbl Sniper Grey Complete Upper RA-6ARC-CU-GRY-18