Zaffiri Precision Upper Parts Kit for Glock® Gen 4
The Zaffiri Precision Upper Parts Kit (UPK) for Glock® Gen 4 is the ideal solution for completing your custom G19 slide or refreshing your factory setup with high-quality internals. Every component in this kit is made in the USA by a trusted manufacturer, engineered to meet or exceed OEM specifications. Whether you’re building a custom Glock® or performing maintenance, this kit offers the reliability and precision you need for dependable function.
Designed specifically for Glock® 19 Gen 4 pistols, this UPK includes all the necessary slide components—including a stainless steel recoil spring assembly—for a complete upper assembly. These parts feature a nitride finish where applicable for added durability and corrosion resistance, ensuring smooth performance and extended service life even under heavy use.
Parts Included:
- 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
- Stainless Steel Recoil Spring Assembly
Compatibility:
- Glock® 19 – Gen 4 Only
Installation Notice:
This product should be installed by a qualified gunsmith or experienced builder. Improper installation may lead to malfunction or injury. No liability is expressed or implied for damage or harm resulting from the installation or use of this product.
If you are completing a custom build or need help with the Zaffiri Precision Upper Parts Kit for Glock® Gen 4, we are always here to help!
Product Information
| Manufacturer | Zaffiri Precision |
|---|---|
| Compatibility | G19, Gen 4 |
| Platform | Glock |
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