Zaffiri Precision, UPK, Upper Parts Kit, Fits Glock 17/34 Gen 4, 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-Pack)
- Firing Pin Safety Nitride
- Firing Pin Safety Spring
- Extractor Depressor Plunger Nitride
- Extractor Depressor Plunger Spring
- Spring Loaded Bearing
- Firing Pin Channel Liner
- Extractor
- Slide Cover Plate - Aluminum
- Upgraded Zp Stainless Steel Recoil Spring Assembly (Guide Rod) - Oem Spring Weight