Fits on any Weaver or Picatinny-style mount; Ideal for tactical use; For hunting rifles, slug guns, and muzzleloaders; 1-in. and 30 mm models are made of aluminum for optimum weight savings; Optonal Picatinny rail on top of ring allows for attachment of accessories on top of a mounted scope; 1/2-in. Picatinny Risers are available for extra height and better sight alignment; Lightweight, have plenty of holding power, and can endure any amount of recoil; Matte Black Finish; Burris Forever Warranty