20 MOA built-in for precision long range adjustments. – 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.