High-quality replacement springs ensure reliable performance from your pistol, including proper feeding, positive ejection, and minimal battering of frame and slide. Replace fatigued springs to return a gun to consistent, dependable function or use as components in a custom build. Pistolsmiths recommend changing springs regularly as part of a positive preventive maintenance program. Kits include two standard weight recoil springs, an extra power recoil spring for hot or +P loads, extra power firing pin spring for positive ignition, and reduced power hammer spring. SPECS: Spring steel. Govt. contains two 17 lb. recoil springs, 20 lb. extra power recoil spring, reduced power hammer spring, and an extra power firing pin spring. Commander contains two 20 lb. recoil springs, 22 lb. extra power recoil spring, 21 lb. reduced power hammer spring, and an extra power firing pin spring.