Provides all the springs needed for you to adapt your trigger pull weights for either sport shooting or self-defense applications Features: 4 Lb firing pin spring for sport shooting 6 Lb firing pin spring for self-defense Reduced power safety plunger spring 6 Lb trigger spring Made from the finest piano wire steel stock and tempered for the longest lifecycle possible Mfg: Ghost Includes 4 Lb firing pin spring, 6 Lb firing pin spring, reduced power safety plunger spring, and 6 Lb trigger spring.