Upper Parts Kit (UPK) for Glock 19 - Gen 4. These are great for completing your custom slide. All parts are from US manufacturer. All Parts are made to the highest tolerance to the original specification.

Features:
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
Upgraded Zp Stainless Steel Recoil Spring Assembly (Guide Rod) - Oem Spring Weight