The Valken 0.5” 20 MOA Riser Mount with 16 ring slots is a rifle accessory that mounts to a flat top picatinny rail. This tactical riser mount offers 20 MOA elevation built-in to raise line of sight by 0.5”, and locks firmly into place with two hex head bolts. It installs in seconds, and is very helpful when using with full-size rifle scopes. We recommend our Valken 1-4x20 Mil-Dot Scope for use with this