Warne 20MOA Extended Skeletonized 30mm MSR Mount - The LR-SKEL Mount offers 20 MOA built-in slop for long range precision shooting. This allows additional elevation adjustment in your optic when shooting ranges over 600 yards. Lightweight, skeletonized aluminum body and caps to reduce overall weight without sacrificing reliability.#8 Torx style fasteners with steel threaded inserts to prevent stripping.Extended design provides over 2 inches of forward cantilever for additional eye relief.Places your optic at the Ideal Height for MSR and similar platforms.Dual 1/2" tactical nut attachment, 65 in/lb. of torque is recommended.