Replaces the factory double spring on Colt Officers ACP and the single spring on Para Ordnance P12. Must be used with full-diameter (nominal .330"), full-length, after market recoil spring guide rods. Factory standard is 22 lb. Supplied with extra power firing pin spring. Also fits Kimber Compact and Pro Carry with factory guide rod. Mfg: Wolff SPECS: Factory standard is 22 lb. recoil spring.
