LPA Adjustable Shotgun Rear Sight Screw Down 2mm Mini Ring Black

LPA Adjustable Shotgun Rear Sight Screw Down 2mm Mini Ring Black. This rear Sight works on most Famous brands of Semi-Auto and Pump Shotguns such as Beretta Benelli Mossberg Browning Winchester Ithaca etc... with barrel diameters ranging from .819in to .842in for standard shotguns and .858in to .882in for heavier gauges. Center-to-center mounting hole distance: 1.7in Specifications for LPA Adjustable Rear Shotgun Sights - Screw Down: Manufacturer: LPA Color: Black Attachment Type: Screw Gun Make