Description The Sightmark Tactical Cantilever 34mm Fixed/Fixed w/ 20MOA Mount is constructed out of aircraft-grade 6061-T6 aluminum for a durable body with a matte black and non-reflective coating. The 2-inch offset allows for an improved eye relief on an AR-15 while designed to fit Picatinny rails. Included in Package Allen Key Hex Key Torx Key Product Downloads Product Manual Product Specifications Features Made from durable 6061-T6 aluminum Matte black - non-reflective finish 2 inch forward offset Fits 34mm riflescope tubes 6061-T6 aluminum body Fits Picatinny rails fixed mount w/20MOA 34mm ring 20 MOA built-in slope Specifications Mount Type Picatinny Diaeter, Ring 34mm Material Aluminum 6061-T6 Centerline Height 1.5 / 38.1 in / mm Torque Spec for Mount Hex Nut, in-lbs 40-50 Torque spec for torx scope rings (in-lbs) 22-25 Length 5.98 / 152 in / mm or 6.89 / 175 in / mm Width 1.29 / 33 in / mm or 1.81 / 46 in / mm Height 2.56 / 65 in / mm Weight, oz 5.9 oz or 7.5 oz