The Zaffiri Precision Zaf Upper Parts Kit For Glk 17 G4 is a complete upper slide parts kit engineered specifically for Glock 17 Gen 4 pistols. Designed to OEM specifications with tight tolerances, this kit provides all the critical slide components you need to finish a custom build or refresh a well‑used handgun, using quality parts from U.S. manufacturers.

This model is Gen 4 specific and is not compatible with other Glock generations, making it a focused choice for builders who want proper fit and reliable function on their Glock 17 Gen 4 slide. Ideal for range use, training, or duty-style sidearms where consistent performance matters, it lets you complete a slide project with matched components from a single source. Zaffiri Precision is known for precise machining and thoughtfully engineered handgun parts that support dependable operation.

Key Features:

• Manufacturer: Zaffiri Precision
• Model: UPK
• Product Type: Complete Upper Parts Kit
• Compatibility: Fits Glock 17 Gen 4
• Color: Black
• Sub Category: Handgun Parts