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Smith & Wesson revolver thumb piece and nut with a label on a white background

Smith & Wesson K, L, N Frame Revolver Stainless Steel Thumb Piece & Nut - Part KLN177

$22.99

Smith & Wesson K, L, N Frame Stainless Steel Thumb Piece & Nut

Keep your S&W revolver cycling smoothly with this genuine stainless steel thumb piece and nut. This old-style replacement part fits all K, L, and N frame models — making it one of the most versatile cylinder release components in the S&W lineup. Whether you're restoring a classic Model 10, tuning a 686, or maintaining a 629, this is the part you need.

  • Compatibility: Smith & Wesson K Frame, L Frame, and N Frame revolvers — all models
  • Material: Stainless steel
  • Style: Old-style design
  • Condition: Used, surplus pull
  • Part Number: KLN177
  • Includes: Thumb piece and nut

Sourced from genuine S&W revolvers. Inspect photos carefully — sold as-is. Ideal for gunsmiths and collectors restoring or maintaining Smith & Wesson revolvers.

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