Zaffiri Precision aftermarket ZPS.2 slide for Glock 19 Gen 3. Single billet 17-4 stainless steel slides are made with tight tolerances that allow an increase in accuracy and performance. 100% American made and manufactured at our facility. Fits Glock 19 Gen 3 frame. Also compatible with Polymer 80 PF940c 100%made in the USA ZP Model: ZPS.2 slide for Glock 19 Gen 3 Machined from billet 17-4 Stainless Steel Optional Optic Cut Trijicon RMR / SRO and Holosun 407c / 507c Black anodized optics cover plate included