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Small black thumb piece and nut with a label on a white surface

Smith & Wesson K Frame Thumb Piece & Nut Blue Steel Old Style - Used - 17179D

$22.99

Smith & Wesson K Frame Thumb Piece & Nut — Blue Steel, Old Style

Open your cylinder with confidence using this factory original blue steel thumb piece and nut, pulled from a Model 17-3 .22 LR revolver. The thumb piece is the lever you press to release the cylinder latch — a high-touch component that sees wear over time and is worth replacing when it becomes loose, pitted, or damaged.

This old-style blued assembly is a direct fit for vintage and classic K Frame revolvers and interchanges across all K Frame models regardless of caliber.

What's Included

  • Thumb piece (blue steel)
  • Thumb piece nut

Specifications

  • Part Number: 17179D
  • Condition: Used, fully functional
  • Frame: K Frame
  • Finish: Blue steel
  • Style: Old style
  • Source Model: Model 17-3 (.22 LR)

Model Compatibility

Model Frame Caliber Notes
Model 10 K Frame .38 Special Verify old-style fit
Model 11 K Frame .38 S&W Verify old-style fit
Model 12 K Frame .38 Special Verify old-style fit
Model 13 K Frame .357 Magnum Verify old-style fit
Model 14 K Frame .38 Special Verify old-style fit
Model 15 K Frame .38 Special Verify old-style fit
Model 16 K Frame .32 Long Verify old-style fit
Model 17 / 17-3 K Frame .22 Long Rifle Source model — direct fit
Model 18 K Frame .22 Long Rifle Verify old-style fit
Model 19 K Frame .357 Magnum Verify old-style fit
Model 48 K Frame .22 Magnum Verify old-style fit
Model 53 K Frame .22 Jet Verify old-style fit
Model 64 K Frame .38 Special Verify old-style fit
Model 65 K Frame .357 Magnum Verify old-style fit
Model 66 K Frame .357 Magnum Verify old-style fit
Model 67 K Frame .38 Special Verify old-style fit
K22 / K38 / Pre-Model M&P K Frame Various Verify old-style fit

Note: Thumb piece and nut interchange across all K Frame models regardless of caliber. This is an old-style part — verify your revolver uses the old-style thumb piece design before ordering.

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