Zaffiri Precision Upper Parts Kit for Glock 17/34/17L Gen 4

Zaffiri Precision Upper Parts Kit for Glock^® 17/34/17L Gen 4

The Zaffiri Precision Upper Parts Kit for Glock^® 17, 34, and 17L Gen 4 provides all the essential components needed to complete your slide build or upgrade existing internals. Each part in this kit is proudly manufactured in the USA and made to the highest standards, ensuring optimal compatibility and reliable performance. Whether you’re assembling a new custom slide or restoring an older one, this kit includes everything required to ensure consistent, smooth, and accurate operation.

Designed specifically for Gen 4 Glock^® models, this upper parts kit incorporates precision-machined parts made to OEM specs, including a billet aluminum slide cover plate and fully assembled recoil spring assembly. The use of nitride-coated components ensures long-term corrosion resistance and smoother action.

Parts Included:

• Firing Pin Spring
• Firing Pin Spacer Sleeve
• Spring Cups (2-Pack)
• Firing Pin Safety (Nitride Finish)
• Firing Pin Safety Spring
• Extractor Depressor Plunger (Nitride Finish)
• Extractor Depressor Plunger Spring
• Spring Loaded Bearing
• Firing Pin Channel Liner
• Extractor
• Slide Cover Plate – Aluminum
• Recoil Spring Assembly

Compatibility:

• Glock^® 17 – Gen 4
• Glock^® 34 – Gen 4
• Glock^® 17L – Gen 4

Installation Notice:

This product should be installed by a qualified gunsmith. Improper installation may result in malfunction or injury. No liability is expressed or implied for damage or harm caused by incorrect installation or usage.

If you have any questions about the Zaffiri Precision Upper Parts Kit for Glock^® 17/34/17L Gen 4, we are always here to help!