The Apex Duty/Carry Spring Kit is a drop-in spring kit for S&W J-frame revolvers. It includes rebound and main springs plus an Apex XP firing pin, reducing the double-action pull by approximately 3 pounds while maintaining reliable ignition. It is tuned for duty and carry use rather than competition.
Features:
Fits S&W J-frame centerfire revolvers, including models 31, 32, 34, 36, and 37.