Adjustable WEAVER/PICATINNY TACTICAL SIGHT SETS for most famous brand semiautomatic and pump shotguns such as Beretta, Benelli, Mossberg, Browning, Winchster, Ithaca, etc…front sight fits barrel diameters ranging from .819” to .842” (20,80 mm to 21,40 mm) for standard shotguns and .858” to 882” (21,80 mm to 22,40 mm) for heavier gauges.
Base BAR11W + Diopter D3 + Ramp SG6 + Front sight M1T + Blister (Tritium)