CZ Custom CZ 75 Full Size Reduced Power Recoil Spring 15lb. This spring works well with factory ammo in 9mm pistols. Specifications for CZ Custom CZ 75 Full Size Reduced Power Recoil Spring: Manufacturer: CZ Custom Gun Make: CZ Gun Model: CZ 75 Package Contents: CZ Custom CZ 75 Full Size Reduced Power Recoil Spring What firearm models does the manufacturer say CZ Custom CZ 75 Full Size Reduced Power Recoil Spring is compatible with? The manufacturer says that CZ Custom CZ 75 Full Size Reduced Power Recoil Spring is compatible with CZ 75CZ Custom 30024: CZ 75 Full Size Reduced Power Recoil Spring 15lb