Our target hammer is designed to give the factory Ruger PC Carbine and PC Charger a superb “trigger job” by simply replacing the factory hammer. No stoning or fitting is required. Reduces trigger pull down to approximately 3.0 - 3.25lbs. EDM cut from A-2 Tool Steel and hardened to Rc 58–60. Includes hammer bushings, shims, and trigger plunger with spring.