Spuhr’s SP-4036 Ultra Short Scope Mount was specifically designed for use with the Schmidt Bender 5-20x50mm PM II Ultra Short riflescopes, and features a shorter rear ring to clear the scope’s illumination bezel. The SP-4036’s overall design has been optimized for long range shooting, and includes features such as diagonally cut rings for increased visibility of the windage and elevation turrets, and an integrated bubble-level to prevent canting of the rifle. The ring’s interior contact surfaces also have grooves which can be used with adhesive to better secure the scope in place, this option is perfect for firearms prone to sever vibrations such as bench-rest shooters or for those used in off-road vehicles. In addition, the SP-4036’s is equipped with seven sets of interfaces to attach over 40 different accessories, making customization options virtually unlimited. Specifications: Rings: 34mm (designed for use with Schmidt Bender 5-20x50mm PM II Ultra Short Riflescopes, rear ring is shorter to clear the scope’s illumination bezel Centerline Height: 1.35” (34mm)Length: 4.13” (105mm)Weight: 7.4 ounces Tilt 0 MIL / 0 MOA Spuhr Unimount Ultra Short 34mm 0MIL/0MOA 1.35" Picatinny Scope Mount SP-4036