Raise your line of sight by 1" without adding extra weight to your firearm. This 3-ring Riser Mount attaches to a flat top Picatinny rail quickly with Allen head lock bolts. It has a forward 45º angle for placement. This raises your line of sight by 1". The 3 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.