MIDWEST INDUSTRIES MI SCOPE MOUNT QD W/1.5 OFFSET The smoothest functioning QD lever on the market - Superior clamping that will not damage or coin the rail surface - Extremely smooth in operation with a multi-facetted adjustment nut to get the exact tension required by the operator - Fully adjustable with no tools required can be adjusted to fit rails not machined to mil-spec tolerances - Weighs only 8.7 oz. - Precision machined for optimum return to zero performance and reliability - Hard coat anodized 6061 aluminum for a lifetime of service - Patented QD lever by Elite Defense - 100% made in the U.SA. with MI Lifetime Warranty - Technical Specs - Works with scopes with up to a 56mm objective - Weight: 8.7 ounces - Overall length: 5.875 inches - Width of rings: .850 inches - Distance between rings: 2.800 inches - Offset from base to first ring: 1.400 inches - Distance from top of rail to center line of ring: 1.550 inches