Voted "Best New Product" for Shot Show 2001. Patented AO Lever Scoutª Weaver style rail affords easy forward mounting of Scout Scopes or Red Dot Systems. Facilitates both eyes wide open for fast moving target acquisition, speedy reference of reticle on target, as if reticle is part of your vision. Built tough from light-weight scratch resistant Hard Anodized Aluminum. Drop-in installation using rear dovetail and front receiver screw holes requires no gunsmithing complete kit provided for home assembly. You can even use your Ghost-Ring Sights with scope dismounted as needed.