This simple design protects any of the FastFire I,II, and III sights from impact or abuse. Its affordable and effective, for even severe-duty applications. The Picatinny Protector Mount fits any Weaver or Picatinny-style base for easy mounting on pistols, rifles, or shotguns. Type Mount Protector Model Picatinny Protector Mount Style Red Dot Optic Mount Finish Black Pieces 1 Series Picatinny Protector Mount Gun Type Rifle/Shotgun/Pistol Material Aluminum Mount Type Picatinny/Weaver/Burris FastFire Pattern Footprint Rings Included No