Wheeler Montage MSR Cantilever 30 mm Medium Picatinny MountsThis Wheeler MSR Cantilever 30 mm Picatinny mount is specifically designed for use on the AR15 platform. Thanks to the cantilever design you can mount your rifle scope with the correct amount of eye relief. The one piece design provides a ridged base with a large clamping area on the Weaver Picatinny rail. The vertically designed flanges have no less than six torx bolts, keeping this mount to a minimum width. This provides the space to mount a built