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CGW 13 Pound CZ SP01 / Shadow 2 Reduced Power Hammer Spring by Cajun Gun Works
Very popular music wire 13# hammer spring color coded “blue”. Must be used with our reduced power firing pin spring, part number RP-FPS.
TECH TIP: Never change the hammer spring only or mis-fires are certain. You must balance your springs for reliable ignition. The CGW reduced power firing pin spring is the perfect match for our HS-13.