The AD-RECON-S Extreme Long Range mount is made for putting high power glass onto a flattop style AR-10 or Bolt Action Rifle. This mount is best suited for the AR-10 platform or Bolt Action Rifles that are in a chassis system with a full length handguard covering the barrel. This mount will work with up to and including 56mm Objective Lenses. The AD-RECON-S is a straight up scope mount with no eye relief built in. It is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the Patented QD Auto Lock(tm) Lever system to accommodate both in-spec and out-of-spec rail systems. ADM AD-Recon-S Scope Mount-Extreme Long Range AD-RECON-S40MOA30STDFDE