Smith & Wesson K Frame Main Spring Old Style Used 64141B 4013tsw Fits: Smith & Wesson J

Fits: Smith & Wesson J Frame Model 640-3

Why Choose Factory New

Compatible with Models 10

L195 Smith & Wesson Used L Frame Model 581

Smith & Wesson K Frame Main Spring Old Style Used 64141B 4013tsw Fits: Smith & Wesson JSmith & Wesson K Frame Main Spring Old Style Design Factory OEM main spring (also called mainspring or hammer spring) for Smith & Wesson K Frame revolvers. This critical component provides the power needed to drive the hammer forward and ignite the primer, ensuring reliable ignition with every trigger pull. Specifications: Frame: K Frame Design: Old Style Type: Coil main spring Condition: Used, factory original Compatible Models: Fits all K Frame