LPA Front Shotgun Sight - Clamp-On Band - Tritium Night Sight No Welding Black. 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. Preferred to use with SKU: BAR11R Specifications for LPA Front Shotgun Ramped Tritium Sights - Clamp-on: Manufacturer: LPA Illumination Type: Tritium Gun Make: Ithaca Benelli Winchester Mossberg Browning Beretta Attachment Type: Clamp Color: Black Fabric/Material: CNC Mashined Steel Condition: New Package Contents: LPA Front Shotgun Ramped Tritium Sights - Clamp-on LPA SG3+M1T: LPA Front Shotgun Sight - Clamp-On Band - Tritium Night Sight No Welding Black