This 9mm parts kit works with a ZEV slide to create a completely functional upper assembly including all internals, an extra firing pin spring, and a ZEV backplate. The pro model includes the ZEV pro striker spring. Not Gen-5 compatible. Includes:
- Channel liner.
- Striker sleeve.
- Spring Cups.
- Extractor Rod, Bearing ,and Spring Assembly.
- ZEV Backplate.
- ZEV Steel Firing Pin Safety and Spring.
- ZEV PRO Striker Spring.