A small black textured metal part displayed on a clear plastic stand in front of a paper label that reads 'Smith & Wesson Revolver K Frame Model 19.357 Magnum Thumb Piece & Nut Blue Steel Part# 19179 Used Part Old Style USA Guns And Gear'.

Smith & Wesson K Frame Model 19 Thumb Piece & Nut Blue .357 Magnum - Used OEM 19179

$22.99
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A small black textured metal part displayed on a clear plastic stand in front of a paper label that reads 'Smith & Wesson Revolver K Frame Model 19.357 Magnum Thumb Piece & Nut Blue Steel Part# 19179 Used Part Old Style USA Guns And Gear'.
  • A small black textured metal part displayed on a clear plastic stand in front of a paper label that reads 'Smith & Wesson Revolver K Frame Model 19.357 Magnum Thumb Piece & Nut Blue Steel Part# 19179 Used Part Old Style USA Guns And Gear'.
  • A small black textured plastic knob or dial with a knurled diamond pattern and a circular cutout, shown on a plain gray background.
  • A small black plastic or rubber knob with a textured surface and a circular cutout, photographed on a plain light gray background.
  • A small black plastic knob or dial with a textured side and a central oval cutout, photographed on a plain light gray background.
  • A black plastic mechanical component or adapter with a hexagonal opening, shown on a plain light gray background.
  • A small black plastic or rubber mechanical component with a circular hole in the center, photographed on a plain light background.
  • A small black plastic hardware component with threaded holes, photographed on a plain light gray surface.
  • A black textured plastic or rubber grip piece with a circular hole, shown alongside a small matching black cylindrical cap or insert on a plain light gray background.
  • A small black textured metal part displayed on a clear plastic stand in front of a paper label that reads 'Smith & Wesson Revolver K Frame Model 19.357 Magnum Thumb Piece & Nut Blue Steel Part# 19179 Used Part Old Style USA Guns And Gear'.
  • A small black textured plastic knob or dial with a knurled diamond pattern and a circular cutout, shown on a plain gray background.
  • A small black plastic or rubber knob with a textured surface and a circular cutout, photographed on a plain light gray background.
  • A small black plastic knob or dial with a textured side and a central oval cutout, photographed on a plain light gray background.
  • A black plastic mechanical component or adapter with a hexagonal opening, shown on a plain light gray background.
  • A small black plastic or rubber mechanical component with a circular hole in the center, photographed on a plain light background.
  • A small black plastic hardware component with threaded holes, photographed on a plain light gray surface.
  • A black textured plastic or rubber grip piece with a circular hole, shown alongside a small matching black cylindrical cap or insert on a plain light gray background.
Smith & Wesson K Frame Model 19 Thumb Piece & Nut Blue .357 Magnum - Used OEM 19179

Smith & Wesson K Frame Model 19 Thumb Piece & Nut Blue .357 Magnum - Used OEM 19179

$22.99

Smith & Wesson K Frame Model 19 .357 Magnum blue steel thumb piece and nut, in the classic old style. This genuine pre-owned factory component controls the cylinder release for smooth, secure operation, and is made to the exact specifications, tolerances, and materials as the original part.

Key Features

  • Authentic Smith & Wesson OEM part
  • Includes thumb piece and retaining nut
  • Blue steel finish
  • Old style design
  • Used condition – fully functional
  • Part Number: 19179

Specifications

  • Model: Model 19
  • Frame Type: K Frame
  • Caliber: .357 Magnum
  • Part Type: Thumb Piece & Nut
  • Finish: Blue steel

How to Identify Your Model

Swing out the cylinder and check the frame behind the yoke for a model number. Model numbers began in 1957–58; if there's no model number, your revolver may predate that, and we can often still match the part using the serial number — just reach out.

Gunsmith Required: Disassembly and assembly required to replace this part. Some parts may require installation and fitting by a qualified gunsmith.

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