Description
- CZ Custom mainspring / firing pin spring set.
- These are made in the Czech Republic about 15 minutes from the factory your CZ pistol was made.
- In conjunction with our competition hammer and our lighter 11lb. or 13lb. recoil spring you can completely transform the fit and function of your favorite CZ pistol.
- Fits CZ 75 / 85 / SP-01 model pistols.





