100% Risk Free, Lifetime Warranty The Monstrum Tactical low profile Picatinny riser mount is designed for the mounting of scopes and optics, allowing for optimal sight placement and for clearnace over front sights. 0.5 inch in height and 5.7 inches in length and with a Picatinny standard rail mount, it will accommodate all Picatinny or Weaver standard scopes, red dots, or sights. It secures and detaches quickly via two thumbscrews, with no tools required. Includes: 13 Slot Low Profile Picatinny Rise Mount Materials: 6061 Aircraft Grade Aluminum Compatibility: AR-15, Rifles with Picatinny rails Weight: 5 oz Length: 5.7 in Height: 0.5 in Color: Black Warranty: Lifetime