S&W K Frame Model 10 Thumb Piece & Nut Blue Steel .38 Special, Part 10179B S&W 22 Victory Verify your revolver’s production era

Verify your revolver’s production era and dash number before ordering

Factory new OEM thumbpiece (cylinder latch) for Smith & Wesson J Frame revolvers

and local regulations

Genuine S&W magazine catch for the Model 3913 pistol

Smith & Wesson K Frame Model 10 Cylinder & Yoke Assembly

S&W K Frame Model 10 Thumb Piece & Nut Blue Steel .38 Special, Part 10179B S&W 22 Victory Verify your revolver’s production eraSmith & Wesson K Frame Model 10 Thumb Piece & Nut Blue Steel Part #10179B Used OEM Factory Part . 38 Special Fits: S&W K Frame Model 10 Finish: Blue Steel Caliber: . 38 Special Condition: Used original Smith & Wesson factory part, old style Frame Size: K Frame Includes: Thumb Piece and Nut The thumb piece (cylinder release latch) and nut are essential for proper cylinder swing out function. A worn or damaged thumb piece can cause the cylinder to fail