LPA Front Shotgun Sight High Solder-on Tritium Black. Ramped style front blade at .630in/ 1.070in height from the base radius to top of interchangeable blade. This is a Solder on Style. Will work with most brands of Shotguns such as Mossberg Beretta Benelli Browning Winchester Ithaca.etc.. with barrel diameters ranging from .819in-.885in. Professional gunsmith quality. Specifications for LPA Front Shotgun Ramped Tritium Sights - Solder-on: Manufacturer: LPA Illumination Type: Tritium Gun Make: Ithaca Winchester Benelli Mossberg Browning Beretta Color: Black Fabric/Material: CNC Mashined Steel Package Contents: LPA Front Shotgun Ramped Tritium Sights - Solder-on LPA SG4+M1T: LPA Front Shotgun Sight High Solder-on Tritium Black