Reduced Power Hammer Spring Kit #26581 For S&W - Wolff Kit #26581
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Updated
Apr 25, 2026
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Specifications
Brand
MPN
26581
Description
Various weights of reduced power hammer springs in one kit help you precisely tune your semi-auto pistol for the smoothest double- and/or single-action pull and proper function. KIT #26581 S&W 39/59, 439/459, 3904/3906, 5903/5904/5906, 645/745/4506, 4006/1006 - Contains 1 each 16 lb., 17 lb. and 18 lb. hammer springs. Factory spring is 20 lbs. Mfg: Wolff