Restores original factory spring specifications and function to pitsol. A replacement firing spring is included.

Magazine springs are available in +5% extra power to assure proper feeding in pistols with weakened or broken springs.

Service Pak Type I contains the following springs to replace weakened or broken spring, returning the pistol to original factory condition: Recoil spring, firing pin spring, sear spring, detent spring (safety  catch), extractor spring, magazine safety spring, trigger bar spring, and hammer spring.

Service Pak Type II contains all the springs included in Type I pak above and a +5% extra power magazine spring.