Features: Updated generation to bring function and aesthetics to the MK2 product series Torx hardware on caps Premium engraving throughout the mount Replacement optic-specific scope ring caps are available for purchase 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-faceted adjustment nut to get the exact tension required by the operator Fully adjustable QD lever with no tools required - can be adjusted to fit rails not machined to Mil-Spec tolerances 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 Includes Midwest Industries Optic Mount Tool for scope adjustment and fitting Works with scopes with up to a 56mm objective Made in the USA Lifetime WarrantySpecifications: Weight: 8.5oz Overall length: 5.875 in. Width of rings: 0.850 in. Distance between rings: 2.800 in. Offset from the first ring: 1.500 in. Distance - top of rail to center line of ring: 1.930 in.