Zaffiri Precision Upper Parts Kit for Glock 17 Gen 5

The Zaffiri Precision Upper Parts Kit for Glock 17 Gen 5 provides all the small components needed to complete a Glock 17 Gen 5 slide assembly. This kit is essential for builders completing a custom slide build or replacing worn factory upper parts. Each kit includes the firing pin, firing pin spring, firing pin safety, extractor, extractor depressor plunger, spring-loaded bearing, and extractor spring—everything required for proper slide function.

All components are manufactured to OEM specifications for reliable drop-in installation. Parts are machined from quality materials with appropriate finishes for corrosion resistance and durability. Installation requires basic disassembly knowledge and standard Glock tools. No gunsmithing required, though proper headspace and function testing is mandatory before carry or live fire.

• Part Type: Complete Upper Parts Kit
• Compatible Firearms: Glock 17 Gen 5
• Material: Steel components with OEM-spec finishes
• Installation: Drop-In (requires proper function testing)
• Includes: Firing pin, firing pin spring, firing pin safety, extractor, extractor depressor plunger, spring-loaded bearing, extractor spring