Smith & Wesson K Frame Model 66 / 66-1 Cylinder & Yoke Stainless Steel .357 Magnum Used 6672

Smith & 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 Special
• Capacity: 6 Shot
• Cylinder Length: 1.67"
• Cylinder Diameter: 1.44"
• Barrel Fit: 4" and longer
• Chambers: Recessed
• Gas Ring: Yes
• Material: Stainless Steel
• Style: Old Style
• Condition: Used – Factory Original

Compatibility Note

This cylinder and yoke fits the Model 66 and 66-1 only (older style extractor). It is NOT compatible with Model 66-4 through 66-8, which use a different newer-style extractor design. Verify your dash number before ordering. Cylinder replacement requires proper headspacing and timing verification by a qualified gunsmith.

⚠️ Professional gunsmith installation required.