K Frame Model 10-7 Main Spring Old Style .38 Special Used 10141A
$5.99
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K Frame Model 10-7 Main Spring Old Style .38 Special Used 10141A
$5.99
Smith & Wesson K Frame Model 10-7 Main Spring - Old Style
Genuine factory Smith & Wesson main spring (also called hammer spring) for K Frame Model 10-7 revolvers. This used OEM spring provides the power for hammer fall and is essential for reliable ignition in your .38 Special revolver.
Specifications:
- Frame Size: K Frame
- Model: Model 10-7
- Caliber: .38 Special
- Component: Main spring (hammer spring)
- Style: Old style
- Condition: Used, functional
- Part Number: 10141A
Function:
The main spring (hammer spring) provides the force that drives the hammer forward to strike the firing pin. Proper spring tension is critical for reliable primer ignition. A worn or weakened main spring can cause light primer strikes and misfires, while proper spring tension ensures consistent, reliable ignition.
Compatibility:
Fits Smith & Wesson K Frame Model 10-7 revolvers chambered in .38 Special. Also compatible with other K Frame models that use the same main spring design.
Installation Note:
Professional gunsmith installation recommended. Proper installation requires disassembly of the grip frame and mainspring housing. Spring tension should be verified for reliable ignition.
Authentic Smith & Wesson factory part - manufactured to exact OEM specifications and tolerances. Perfect for restoring reliable ignition in your K Frame revolver.