Model: SCFRM-11 28 mm (1.1") Saddle Height Profile, Cantilever Style, 21mm Weaver Mount, 1/3 Lower Co-witnessMAG Footprint (RMS-c Compatible Footprint), Fit Vector Optics Frenzy-S MIC and AUT Red Dot SightCompact and Light Weight, Made of Plastic Polymer, Designed for Real...