Description The Sightmark Tactical 30mm Fixed/LQD/w/ 20MOA Cantilever Mount is a fixed mounted riflescope base compatible with 30mm scope tubes. This mount features a two-inch forward offset allowing the use of riflescopes requiring a greater eye relief and more comfortable cheek placement on AR-style rifles. The 30mm fixed/LQD/w/ 20MOA mount is constructed of aircraft-grade 6061-T6 aluminum and finished in a matte black, non-reflective coating. Cantilever mounts make transferring your optic easy. This mount is perfect for installing and removing an optic from your firearm without losing zero. Features Included in Package 30mm Fixed/LQD/w/ 20MOA Cantilever Mount Hex Key Product Downloads Product Manual Product Specifications Features 6061-T6 aluminum body Fits Picatinny rails Matte black, non-reflective finish Fixed/ LQD mount/Fixed mount w/20MOA 30mm ring Easier transferring from firearm to firearm 2 inch forward offset Locking quick detach mount design Fits 30mm riflescope tubes EXPORT CONTROL NOTICE: This product is controlled for export and in-country transfer under the Export Administration Regulations (EAR). division contrary to U.S. law prohibited. Specifications Mount Type Picatinny Diameter, Ring 30mm 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 2.48 / 63 in / mm Weight, oz 5.8 oz or 7.9 oz