Smith & Wesson K Frame Model 19-3 Thumb Piece & Nut Blue .357 Magnum - 19179B Sign Smith & Wesson J Frame

Smith & Wesson J Frame Model 442 Performance Center Barrel — 1-7/8"

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Fits: S&W Model 686 (L Frame)

Smith & Wesson K Frame Model 19-3 Thumb Piece & Nut Blue .357 Magnum - 19179B Sign Smith & Wesson J FrameThis is a used replacement thumb piece and nut in blue steel for the Smith & Wesson K Frame Model 19 3 . 357 Magnum revolver. Genuine Smith & Wesson factory OEM part Part Number: 19179B Condition: Used Finish: Blue Steel Frame: K Frame Model: 19 3 Combat Magnum Caliber: . 357 Magnum Installation: Requires disassembly and assembly by a qualified gunsmith or experienced individual. Compatibility: Designed specifically for Smith & Wesson K Frame Model 19