This Zaffiri Precision Complete Upper is 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!). Installation of Billet Parts Kit and sights included. 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 Armor Black Cerkote.Cut for 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. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this pro...