Smith & Wesson K Pre-Model 19 Thumb Piece & Nut
Thumb piece with nut for Smith & Wesson K Frame Pre-Model 19 Combat Magnum 4-screw revolver. The thumb piece operates the cylinder latch mechanism.
- Part Number: 19179BA
- Frame: K Frame
- Model: Pre-Model 19 Combat Magnum
- Configuration: 4-screw
- Caliber: .357 Magnum
- Finish: Blue steel
- Serial Number: 421519
- Style: Old style
- Condition: New
- Includes: Thumb piece and nut
This authentic S&W thumb piece allows you to release the cylinder for loading and unloading on Pre-Model 19 4-screw revolvers. Complete with mounting nut for proper installation. Professional gunsmith installation required.