CZ 75 /SP-01 main spring 13 lbs

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.