Smith & Wesson K Frame Model 66 / 66-1 Cylinder & Yoke Stainless Steel .357 Magnum Used 6672 hammer spring 38 Spec Non-pinned ✓ Compatible

38 Spec Non-pinned ✓ Compatible Model 686-8 Plus L

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Capacity: 16 rounds

Part Number: 6671

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Smith & Wesson K Frame Model 66 / 66-1 Cylinder & Yoke Stainless Steel .357 Magnum Used 6672 hammer spring 38 Spec Non-pinned ✓ CompatibleSmith & Wesson K Frame Model 66 66 1 Cylinder & Yoke Stainless Steel, . 357 Magnum, Used (6672) Factory original Smith & Wesson K Frame cylinder and yoke assembly for the Model 66 and 66 1 . 357 Magnum revolver. This used OEM unit is stainless steel, old style, with recessed chambers and a gas ring on the cylinder. Part Details Part Number: 6672 Manufacturer: Smith & Wesson Frame: K Frame (Medium Frame) Model: 66, 66 1 Caliber: . 357 Magnum . 38