Smith & Wesson Model 12 Airweight K Frame Thumb Piece & Nut Blue Steel Old Style — Used OEM Part 12179 n25u Model Caliber Notes Model 41

Model Caliber Notes Model 41 (New Style)

Finish: Blue steel

Model: K22 (4 Screw)

Variant: Model of 1908 1st Change

Smith & Wesson Model 12 Airweight K Frame Thumb Piece & Nut Blue Steel Old Style — Used OEM Part 12179 n25u Model Caliber Notes Model 41Smith & Wesson Model 12 Airweight K Frame Thumb Piece & Nut Blue Steel, Old Style, Used OEM Surplus Part Genuine OEM Smith & Wesson blue steel thumb piece and nut pulled from a K Frame Model 12 Airweight revolver. Old style configuration. The thumb piece (also called the cylinder release latch) is the lever on the left side of the frame that, when pressed forward, releases the cylinder to swing out for loading and unloading. The nut secures the thumb