Adjustable Rear Shotgun Sight for Weaver &/or Picatinny Rail - 2mm Hole Ghost Ring

Tactical Rear Adjustable 2mm Hole, Ghost Ring Sight for most famous brand semi-automatic and pump shotguns such as Beretta, Benelli, Mossberg, Browning, Winchster, Ithaca, Etc. This sight clamps on to Weaver Rail Mount or Picatinny Rail.