Looking to improve the trigger pull of your Smith & Wesson N Frame Revolver to maximize your speed-shooting ability? TK Custom has the ideal Diamond Speed Hammer Replacement Kit for you. Make your Smith & Wesson N Frame revolver smoother, lighter, and more reliable than it’s ever been with this Smith & Wesson N Frame Revolver Diamon Speed Hammer Replacement Kit!  Experience a leap in double-action trigger pull performance and prevent dangerous and unexpected ‘failure-to-fire’ situations with this diamond speed hammer replacement kit. Upgrade your factory S&W revolver metal injected molded internal action part’s reduced performance capabilities with this kit, you’ll be able to achieve a competition-ready double action trigger pull of 6lbs or lower (factory DAO trigger pull typically 12+lbs)! The extended firing pin and spring also ensure your S&W N Frame Revolver stays in perfect working order exactly when you need it for duty or competition uses!  Installing the N-Frame Diamond Speed Hammer, Extended Firing Pin, Reduced Firing Pin Spring, 11 & 12lb Rebound Spring, Double Action Sear, and Pinned Stirrup couldn’t be easier. Gunsmith fitting is highly recommended, but not always required.  Expertly constructed with high performance in mind, this diamond speed hammer replacement kit for N frame revolvers has been manufactured from tool steel by wire EDM and CNC precision machines and then heat treated to 50 Rockwell hardness for ultimate durability and function. Only the best will do for the USPSA Champion TK Custom Team Members.  Shoot with confidence and authority experienced by National Championship Level Pro Shooters after using this Smith & Wesson N Frame Diamon Speed Hammer Replacement Kit:   COMPETITION READY - Our Diamond Speed Hammer drastically changes the overall feel of your S&W revolver. Making it smoother and lighter than ever before. MADE IN AMERICA - Expertly constructed for high performance, Our Smith and Wesson Diamond Speed Hammer is the perfect fit for your S&W revolver. Only the best will do for the USPSA Champion TK Custom Team Members. GUNSMITH FITTING IS NOT REQUIRED BUT IS SOMETIMES NECESSARY  PARTS INCLUDED: N Frame Diamond Speed Hammer, Extended Firing pin, Reduced firing pin spring, 11 & 12lb rebound springs, Double Action Sear, and a pinned stirrup.