Zaffiri Precision Upper Parts Kit for Glock Gen 1-4

Zaffiri Precision Upper Parts Kit for Glock^® Gen 1-4

The Zaffiri Precision Upper Parts Kit for Glock^® Gen 1-4 is ideal for completing or refreshing your slide assembly for Glock^® models 19, 17, 17L, 26, and 34. Built to OEM specifications with components manufactured in the USA, this kit offers high-quality internal parts with precise tolerances to ensure reliable fitment and consistent performance. Whether you’re finishing a custom build or restoring an older slide, this parts kit delivers dependable functionality without compromise.

Please Note: This kit does not include the guide rod (recoil spring assembly). Be sure to source one separately to complete your upper slide build. All components are designed for Gen 1 through Gen 4 Glock^® pistols and are not compatible with Gen 5 models or Glock^® slimline frames (43, 43X, 48).

Each kit includes the necessary internal components for proper function, including a nitrided extractor, channel liner, and spring-loaded bearing. The parts are designed to drop in without modification, but professional installation is recommended to ensure proper assembly and performance.

Parts Included:

• Firing Pin Spring
• Firing Pin Spacer Sleeve
• Spring Cups (2-Pack)
• Firing Pin Safety (Nitrided)
• Firing Pin Safety Spring
• Extractor Depressor Plunger (Nitrided)
• Extractor Depressor Plunger Spring
• Spring Loaded Bearing
• Firing Pin Channel Liner
• Extractor
• Slide Cover Plate

Compatibility:

• Glock^® 19 (Gen 1-4)
• Glock^® 17 / 17L (Gen 1-4)
• Glock^® 26 (Gen 1-4)
• Glock^® 34 (Gen 1-4)

Installation Notice:

This product should be installed by a qualified gunsmith or experienced builder. Improper installation can result in malfunction or injury. No liability is expressed or implied for damage or harm resulting from the use or installation of this product.

If you are building or upgrading your Glock^® and have any questions about the Zaffiri Precision Upper Parts Kit for Glock^® Gen 1-4, we are always here to help!