It will NOT fit the Gen 5 slides. This 9mm parts kit works with a ZEV slide to create a completely functional upper assembly including all internals and ZEV backplate.
Extractor Rod, Bearing , and Spring Assembly. ZEV Steel Firing Pin Safety and Spring. The item "NEW ZEV TECHNOLOGIES UPPER PARTS KIT FOR 9MM GEN 3/4 GLOCK 17 19 26 34" is in sale since Tuesday, January 5, 2021. This item is in the category "Sporting Goods\Hunting\Gun Parts\Pistol".
The seller is "asssti" and is located in SAN ARDO. This item can be shipped to United States.