Enhance your Smith & Wesson KLN frame revolver with the Wilson Combat Custom Tune Spring Kit expertly crafted to transform your shooting precision. This innovative kit includes a reduced power hammer spring alongside 12 13 and 14-pound rebound trigger springs allowing for a smoother and lighter trigger pull in both single and double-action modes. Made from durable steel the Custom Tune kit ensures longevity and reliable performance setting your revolver apart with improved accuracy and ease of use.