PRODUCT FEATURES Designed for Vector Optics Frenzy SCRD-43 Line Red Dot Sights with M (RMSc) Footprint, For Use of G17 etc Regular Pistol without MOS system, Check Your Gunsmith for Reference SPECIFICATIONS For G17 etc pistols without MOS system Vector Optics MGT footprint compatible with RMS / RMSc footprint Mount Height Profile: 2.5mm 0.1in Length: 41mm (1.6in) Width: 25.4mm (1.0in) Weight (net): 11g (0.4oz) High quality aluminum alloy in durable black matte finish, section bar is made of steel Designed for real fire pistol Fit Vector Optics Frenzy SCRD-43 line red dot sights Remove the pistol rear sight before installation, check your gunsmith for reference