Zaffiri Precision, UPK, Upper Parts Kit, Fits Glock 17/34 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 Recoil Cover Plate, Guide Rod
- Firing Pin Spring
- Firing Pin Spacer Sleeve
- Spring Cups (2-Pieces)
- Firing Pin Safety
- Firing Pin Safety Spring
- Extractor Depressor Plunger
- Extractor Depressor Plunger Spring
- Spring Loaded Bearing
- Firing Pin Channel Liner
- Extractor
- Slide Cover Plate - Billet Aluminum
- Recoil Spring Assembly (Guide Rod) - Polymer