Belonging to the Integral Mounting Systems (IMS) family, Leupold's Mark AR IMS Scope Mount quickly and easily addresses two common issues when mounting riflescopes to AR-style rifles: scope height and eye relief. The Leupold Mark AR IMS Scope Mount aluminum IMS' cantilever design mounts directly to the rifle's Picatinny rail to raise the scope and push it forward, so there is no need for risers or specialized optics with shortened eye relief. Material: Aluminum Matte black finish -5 bolt design for a secure hold -3 lugs plus STANAG fit Leupold's Mark AR IMS Scope Mount is easy to secure to your rifle, getting you into action fas Mfg: Leupold