Wolff Type-2 Power Rib Mainspring for S&W K, L, N-Frame Reduced Power

The Wolff mainspring dramatically improves the smoothness and consistency of trigger pull essentially eliminating stack up as well as providing optimum hammer action. This spring can usually take the place of expensive trigger jobs, with better results. For most target and non-critical applications, the TYPE-2 spring is perfect, which is reduced power. For critical applications such as law enforcement, the TYPE-1 spring works well, which is factory equivalent in strength.