3-In-1 Tuning Choices
Various weights of reduced power hammer springs in one kit help you precisely tune your semi-auto pistol for the smoothest double- and/or single-action pull and proper function. KIT # 33295 SIG P-239 - Contains 1 each 12, 14, and 16 lb. reduced power hammer springs. Factory spring is 18 lb.
Big Book Catalog, Issue:66, Page:218