The Streetfighter J-Frame Spring Kit reduces the trigger pull weight of your center fire J-Frame Revolver by about 3.0 lbs. from factory specifications. It works with all modern centerfire J-Frame revolvers with the frame mounted firing pin. Not for the polymer Bodyguard .38 Revolver.
Street Carry Rebound Slide Spring
Revolver Firing Pin
Reduced Power Firing Pin Return Spring