Zaffiri Precision Upper Parts Kit for Glock 17 Gen 5

Zaffiri Precision Upper Parts Kit Features The Zaffiri Precision UPK includes U.S.-made components manufactured to high-tolerance specifications that match original factory dimensions for dependable function. Each part is engineered to maintain consistent cycling in Glock 17 and 34 Gen5 pistols ensuring compatibility with factory slides and barrels. These qualities make the Glock 17/34 Gen5 upper parts kit a practical choice for builders and users maintaining OEM-level reliability. The included stainless-steel recoil spring assembly uses an OEM-weight spring to support standard operation with typical 9mm loads. All components are finished for durability and proper engagement within Gen5 slide geometry ensuring smooth operation once installed. With its complete internal set and Gen5-exclusive design the kit provides a reliable upper assembly solution for repairs upgrades or custom builds. Zaffiri Precision Upper Parts Kit Specifications Manufacturer: Zaffiri Precision Model: Upper Parts Kit Firearm Fit: Glock 17 / Glock 34 Gen5 Generation: Gen5 Only (Not Compatible with Other Gens) Finish: Black Manufacturing Origin: All Parts U.S.-Made Tolerance: Made to Original Specification Recoil Spring Assembly: Stainless Steel OEM Spring Weight