Smith & Wesson Pre-Model 19 Combat Magnum Main Spring
Main spring (hammer spring) for Smith & Wesson K Frame Pre-Model 19 Combat Magnum 4-screw revolvers. The main spring provides the power for reliable hammer fall and primer ignition.
- Part Number: 19141G
- Model: K Frame Pre-Model 19 Combat Magnum
- Configuration: 4-screw
- Caliber: .357 Magnum
- Serial Number: 421519
- Style: Old style
- Condition: Used, functional
This authentic S&W main spring ensures reliable ignition of .357 Magnum cartridges. Essential for proper revolver function and consistent performance. Professional gunsmith installation recommended for proper fitting and tension adjustment.