XS Sights Shot Rail and Rear Sight with Banded Standard Dot Front

The XS Sight Systems Shot Rail and Rear Sight with Banded Standard Dot Front is designed for Mossberg 500, 590, 930 Shotguns. Minimal-to-No gunsmithing is required for standard dot banded front sight. It is the best way to upgrade to rifle sights without having to solder on a ramp and refinish the barrel. It has adjustable elevation blade to account for variation between shotguns and ammunition. It does not fit on Heavy Barrel. Fits only barrels with diameter 0.840" - 0.860". The ghost ring rear sight is precision machined from stress proof steel. It allows elevation and windage adjustment.