The Zaffiri Precision Upper Parts Kit (UPK) provides the slide internals needed to complete a custom Glock 19 Gen 5 slide. Parts are sourced from a US manufacturer and made to original specifications. These parts are Gen 5 specific and are not compatible with other generations.
- Fits: Glock 19 Gen 5 only
- Includes: firing pin spring, firing pin spacer sleeve, spring cups (2), firing pin safety (nitride), firing pin safety spring, extractor depressor plunger (nitride), extractor depressor plunger spring, spring-loaded bearing, firing pin channel liner
- MPN: UPK.19.5
