The Zaffiri Precision Upper Parts Kit (UPK) supplies the internal parts needed to complete a custom or stripped Glock 19 slide from Gen 1 through Gen 3. It includes a guide rod and is a convenient way to finish an aftermarket slide build in one order.
- Fits: Glock 19 Gen 1-3
- Includes: firing pin and spring, firing pin spacer sleeve, firing pin channel liner, spring cups, safety plunger and spring, extractor, extractor depressor plunger assembly, slide cover plate, guide rod
- MPN: 19.UPK