LPA SG3 front Ramped Shotgun sight with interchangeable blade system, this one supplied with the White dot sight blade. All CNC machined from steel bar-stock. Ramped style front blade at .830” from bottom of radius to top of interchangeable blade. This is a barrel Band “Clamp-On” locking-ring style and uses a clamping band to hold to barrel. No Soldering or welding necessary. Will work with most brands of Shotguns, such as Mossberg, Beretta, Benelli, Browning, Winchester, Ithaca….etc.. with barrel diameters ranging from .819” -.885”. Professional gunsmith quality.