Includes: Slim Profile Series Offset Picatinny Scope Mount with Picatinny Mount Materials: 6061 Aircraft Grade Aluminum Compatibility: Rifles with Picatinny rails Weight: 5.00 oz Diameter: 30mm or 34 mm Centerline Height: 1.5 inch Length: 5 in Base Length: 3.00 in Color: Black Warranty:Lifetime The next generation of Monstrum Scope Mounts is here with a brand new look! With a rigid unibody design with strategically placed lightening cuts to reduce weight - the Monstrum Deadlock Series provides rock-solid mounting of your rifle scope at the absolute minimum amount of weight possible. Integrated diving board allows for placement of secondary optic in the piggyback position.