Wilson Combat Custom Tune Springs, Fits S&W K, L & N Frames - 178

Wilson Combat Custom-Tune Spring Kit. 26# Reduced Power Hammer Spring 12# Reduced Power 18 1/2# Extra Power Recoil Spring. Pkg. Includes: Mainspring (Hammer Spring) Firing Pin Spring Extra Power Recoil Spring and Reduced Power Recoil Spring; "CUSTOM-TUNE" Spring Kits are designed to easily and inexpensively improve your pistols' action and functionality. These quality spring kits feature the finest gun springs available made from high-tensile spring wire for the finest possible action tuning jobs. Kits include the various springs necessary to assure reliable function smooth operation consistency and long life. when only the best will do WILSON COMBAT "CUSTOM-TUNE" Spring Kits are the only choice. "CUSTOM-TUNE" Spring Kits are available for most popular center-fire Autos and Revolvers. Pistol "Custom-Tune" Spring Kits include the following springs to enhance the reliability function safety and life of your center-fire pistol:; Reduced Power Hammer Spring - Reduces hammer tension for reduced trigger pull of up to 25 percent. This provides ease of operation and improves ejection thus increasing reliability.; Extra Power Firing Pin Spring - Increases firing pin spring tension providing added protection against accidental discharge if pistol is dropped.; Reduced Power Recoil Spring - Provides reduced spring tension for reliable ejection of "reduced power" practice rounds.; Extra Power Recoil Spring - Provides increased spring tension for "full house" factory loads. Also improves feeding reliability and pistol life.; Specifications for Wilson Combat Custom-Tune Spring Kit: Manufacturer: Wilson Combat Fabric/Material: Steel Package Contents: Wilson Combat Custom-Tune Spring Kit What firearm models does the manufacturer say Wilson Combat Custom-Tune Spring Kit is compatible with? The manufacturer says that Wilson Combat Custom-Tune Spring Kit is compatible with Smith & Wesson Model 337 J-Frame Revolver 3.125in Smith & Wesson Model 360 J-Frame Revolver 3.125in Smith & Wesson Model 36 J-Frame Revolver 3in Smith & Wesson Model 317 J-Frame Revolver 3in Smith & Wesson Model 640 J-Frame Revolver 2.125in Smith & Wesson Model 642 J-Frame Revolver Smith & Wesson Model 60 J-Frame Revolver 3in Smith & Wesson Model 63 J-Frame Revolver 3in Smith & Wesson Model 36 J-Frame Revolver 2in Smith & Wesson Model 60 J-Frame Revolver 2.125in Smith & Wesson Model 442 J-Frame Revolver Smith & Wesson Model 340 J-Frame Revolver Smith & Wesson Model 317 J-Frame Revolver Smith & Wesson Model 432PD J-Frame Revolver Smith & Wesson Model 431PD J-Frame Revolver 2.25in Smith & Wesson Model 337 J-Frame Revolver Smith & Wesson Model 60 J-Frame Revolver Smith & Wesson Model 36 J-Frame Revolver Smith & Wesson Model 342 J-Frame Revolver Smith & Wesson Model 37 J-Frame RevolverWilson Combat Tune Spring Kits Smith & Wesson K L N Frames