Conventional Recoil Springs for .45 cal. Super .38 and 9mm Colt 1991, 1911A1, Government, MKIV, and Gold Cup Models.
Extra Power Conventional Pack:
Contains one each 16, 18.5, 20, 22 and 24 lbs. extra power conventional recoil springs, and 3 ea. extra firing pin springs, for above pistols.