Smith & Wesson K Frame Model 66 Cylinder Yoke Assembly .357 Magnum (66-4, 66-5, 66-6, 66-7, 66-8) Used Part# 66AA j60-14u This is an old-style pre-model

This is an old-style pre-model era part for early S&W swing-out cylinder revolvers produced before the model numbering system began in 1957–58

Disassembly of the rear sight assembly is required

Genuine Smith & Wesson factory parts manufactured to original specifications

22 LR ❌ Not compatible Note: This is a centerfire hammer

Model 27 Classic parts have limited availability

Smith & Wesson K Frame Model 66 Cylinder Yoke Assembly .357 Magnum (66-4, 66-5, 66-6, 66-7, 66-8) Used Part# 66AA j60-14u This is an old-style pre-modelThis is a used OEM Smith & Wesson cylinder yoke assembly for the K Frame Model 66 Combat Magnum revolver chambered in . 357 Magnum. This part fits the Model 66 4, 66 5, 66 6, 66 7, and 66 8 dash variants, which use the newer style (flat sided star) extractor introduced with the 66 4 engineering change. Compatibility Warning: This cylinder yoke is NOT compatible with the original Model 66, 66 1, 66 2, or 66 3, which use the older style extractor with