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S&W K Frame Model 66 .357 Magnum Thumb Piece & Nut Assembly Stainless Steel 66177

$22.99

Smith & Wesson K Frame Model 66 .357 Magnum Thumb Piece & Nut Assembly

OEM Part Number: 66177
Condition: Used OEM
Finish: Stainless Steel
Configuration: Old Style

Compatible Models

This thumb piece and nut assembly is designed for Smith & Wesson K Frame Model 66 .357 Magnum revolvers. The K Frame platform is centerfire and compatible across all centerfire K Frame models (10, 11, 12, 13, 14, 15, 16, 19, 53, 64, 65, 66, 67). This old-style configuration ensures proper fit and function for vintage K66 platforms.

Condition Notes

Used OEM component removed from service. Inspect upon receipt to verify fit and finish meet your requirements.

Installation

Direct replacement for worn or damaged thumb piece assemblies. Professional installation recommended to ensure proper cylinder latch engagement and timing.

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