100% Risk Free, Lifetime Warranty The Monstrum Tactical high profile Picatinny riser mount is designed for use with red dots and sights, allowing for optimum sight placement and for clearance over front sights. It secures and detaches quickly via one thumbscrew, with no tools required. The see through design is designed for simultaneous use of low profile front sights. Also available in High Profile (1.0 in), Medium Profile (0.8 in), or Low Profile (0.5 in). Includes: 3 Slot Low Profile Picatinny Rise Mount Materials: 6061 Aircraft Grade Aluminum Compatibility: AR-15, Rifles with Picatinny rails Weight: 1.0 oz Length: 1.5 in Profile: 0.5 in (Low) Color: Black Warranty: Lifetime