Our redesigned target hammer is now wire EDM cut! The target hammer is designed to give the factory Ruger 10/22 a superb _trigger job_ by simply replacing the factory hammer. No stoning or fitting is required. Reduces trigger pull down to approximately 2.5 - 2.75lbs. Made of stainless steel, hardened to Rc 58_60. Includes our 10/22 hammer spring, hammer bushings, hammer shims and trigger return spring.