Recoil Springs restore original factory spring specifications and function to pistol. Pak also includes a firing pin spring which requires fitting to the firing pin.

 +10% extra power is also available. Includes a firing pin spring which must be fitted to the firing pin.

Magazine spring is the original flat design and is +5% extra power to assure proper feeding in pistols with weakened or broken springs. This spring requires fitting to the floorplate and follower

Service Pak Type I - Contains the following springs to replace weakened or broken springs, returning the pistol to originial factory condition: Recoil spring, firing pin spring, and hammer spring.

Service Pak Type II - Contains all springs described in Type I pak above and a +5% extra power flat-type magazine spring.