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SMITH & WESSON J Frame Revolvers

Includes Models: 31, 32, 34, 36, 37, 38, 42, 442, 49, 60, 63, 631, 632, 637, 638, 640, 642, 649, 940.

   Note: Springs will not fit and function in Bodyguard J Frame with polymer frame.

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Shooters Paks

Shooters Pak - Reduced Power - Stock Number 17125 - This pak for centerfire models contains 1 each 8 pound reduced power hammer spring and 1 each 13, 14 and 15 pound reduced power rebound springs allowing adjustment for lighter and smoother trigger and hammer action.

Shooters Pak - Reduced Power - Stock Number 17126 - This pak for rimfire models contains 1 each 9 pound reduced power hammer spring and 1 each 13, 14 and 15 pound reduced power rebound springs allowing adjustment for lighter and smoother trigger and hammer action. Note: Rimfire models 317, 650, 651 have a 12 Lb. factory hammer spring.
SKU Description Price ($) Add to cart
17125 SMITH & WESSON J FRAME RP SHOOTER'S PAK 9.00
17126 S&W J FRAME 317,650,651 RP SHOOTER'S PAK 9.00

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Hammer Springs

Hammer Springs (mainsprings)

  • Reduced Power...: 8 Lb.
  • Factory Standard.: 8.5 Lb.
  • Extra Power.........: 9 Lb.


Note: Models 317, 650, 651 have a 12lb rated hammer spring.

Hammer Springs - Pak of 1
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Hammer Springs - Pak of 3
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Hammer Springs - Pak of 10
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Hammer Spring Pak

Hammer Spring Pak - This pak contains 1 each 8, 8.5 and 9 pound hammer springs allowing optimum choice for your J-frame hammer action.
SKU Description Price ($) Add to cart
32355 SMITH & WESSON J FRAME HAMMER SPRING PAK 9.00

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Rebound Springs

Rebound Springs - Trigger rebound springs are common to all Smith & Wesson J, K, L and N frame revolvers. These springs greatly influence the double action trigger pull which is a major concern of competitive shooters. W.C. Wolff company offers reduced power rebound springs rated from 12 to 16 pounds. For reference, the factory rebound spring is 18 pounds. These springs lighten trigger and let-off functions for smoother and easier trigger pull. We offer these springs in several assortment paks as well as individually.
SKU Description Price ($) Add to cart
16670 S&W RP REBOUND SPRING 11-15 ASSMT PAK Pak of 5 9.00
16639 S&W RP REBOUND SPRING 11-15 ASSMT PAK Pak of 50 45.99
16660 S&W RP REBOUND SPRING 12-16 ASSMT PAK Pak of 5 9.00
16650 S&W RP REBOUND SPRING 12-16 ASSMT PAK Pak of 25 23.99
16640 S&W RP REBOUND SPRING 12-16 ASSMT PAK Pak of 50 45.99

Rebound Springs

Individually sold Rebound Springs. Available in 11, 12, 13, 14, 15, & 16 Lb ratings. Available in Paks of 1, 3, & 10.
Rebound Springs - Pak of 1
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Rebound Springs - Pak of 3
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Rebound Springs - Pak of 10
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Rebound Springs - Pak of 50
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