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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
K939 Smith & Wesson K Frame Model 66 Internal Parts
Direct replacement part - fits specific N Frame models listed above
All firearm parts are inspected prior to shipment
The Model 39-2 features specific internal geometry that requires this exact trigger assembly for proper fit
The bolt (also called the cylinder stop bolt) works in conjunction with the cylinder stop to index and lock each chamber in line with the barrel — a worn or damaged bolt leads to cylinder timing issues and inconsistent lockup
Wolff Recoil Guide Rod & Spring Assembly – S&W Sigma 4" 9mm/.40 S&W 15 LB – 53615 C27143 K939 Smith & Wesson KWolff Recoil Guide Rod & Spring Assembly for Smith & Wesson Sigma Series Upgrade your S&W Sigma pistol with this precision engineered recoil guide rod and spring assembly from Wolff Gunsprings. Designed specifically for 4 inch barrel Sigma models in 9mm and . 40 S&W, this 15 lb assembly delivers consistent recoil management and enhanced reliability drop in ready with no gunsmithing required. Key Features: Complete guide rod and spring assembly ready
