Zaffiri OPMOD Z51M Glock 19 Gen 3 Pistol Slide w/RMR Cut Light Grey Zaffiri OPMOD.19.LG. Specifications for Zaffiri OPMOD Z51M Glock 19 Pistol Slide w/RMR Cut: Manufacturer: OPMOD Gun Make: Glock Gun Model: Glock 19 Cartridge: 9mm Luger Gun Frame Size:...