34201 Wolff S&W M&P RP STRIKER SPRING 4LB
Description SMITH & WESSON M&P Series 9mm & .40/.357 Striker Spring W. C. Wolff Company offers reduced power striker springs (firing pin springs) for M&P pistols rated at 4 pounds. The factory spring is 5 pounds. This spring will help reduce trigger pull. Warning: For competition use only – not for duty use.
