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
Compatibility
Factory original thumb piece and nut assembly designed for Smith & Wesson K Frame Model 66 .357 Magnum revolvers. 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.