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