The Zaffiri Precision Upper Parts Kit (UPK) supplies the internal parts needed to complete a custom or stripped slide for the Glock 43/43X/48. It is a convenient way to finish an aftermarket slide build in one order without sourcing each part separately.
- Fits: Glock 43/43X/48
- Includes: firing pin and spring, spring cups, safety plunger and spring, extractor with loaded chamber indicator, extractor depressor plunger assembly, slide cover plate, recoil spring assembly (guide rod)
- MPN: G43UPK
