Target Hammer Features The 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. Target Hammer Specifications Volquartsen Target Hammer 10/22