Description WOLFF Hammer Springs REDUCES TRIGGER PULL WEIGHT For Use in: P-220 with serial numbers below 219166 Hammer Springs – Available in reduced for factory standard ratings. •Reduced Power…: 18, 19, & 20 Lb. •Factory Standard.: 22 Lb Hammer Spring Pak – This pak contains 1 each of 18, 19 and 20 pound reduced power hammer springs described above. For use in P220 with serial numbers below 219166.
