Zaffiri Precision went back to the drawing board and stripped down all the " extras" to produce a core product line (Series Z) that features pure usability and function. Featuring forward and rear serrations and optic cut with Trijicon RMR footprint (includes Holosun 407c/507c and many more!).These single billet 17-4 stainless steel slides are made with tight tolerances that allow an increase in accuracy and performance. These are among the best aftermarket slides available for Glock. This slide is pre-cut and pre-coated with Cerakote.Optics Cut (Red Dot Footprint): Trijicon RMR / SRO, Holosun 407c / 507c, and other popular " RMR footprint" optics - mounting position is in front of the factory location of the rear sight (dovetail remains behind the optic cut). Slide comes with proper mounting screws and a black anodized cover plate specific to the optic cut. You must use the screws we provide. Blue Loctite is recommended for proper sight retention. Do not exceed optic manufacturer's...