LPA Front Shotgun Sight - Clamp-On Band - White Dot 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. Specifications for LPA Front Shotgun Ramped Sights - Clamp-on: Manufacturer: LPA Front Sight Color: White Dot Color: Black Fabric/Material: CNC Mashined Steel Attachment Type: Clamp Gun Make: Ithaca Winchester Benelli Mossberg Browning Beretta Condition: New Gun Type: Shotgun Package Contents: LPA Front Shotgun Ramped Sights - Clamp-on LPA SG3+M1B: LPA Front Shotgun Sight - Clamp-On Band - White Dot Black