Raise you line of sight by 1" without adding extra weight to your firearm. This 14-ring Riser Mount attaches to a flat-top Picatinny rail in a matter of seconds with two large thumb screws. This raises your line of sight by 1". The 14 ring slots allow you to adjust for the most preferred sight placement. It's constructed of aluminum alloy 6061 for strength and durability and it's finished in anodized matte black. It can use either standard Picatinny or Weaver rings.