Smith & Wesson K Frame Model 66 Cylinder & Yoke Assembly .357 Magnum Stainless - 6678H Internal Components You should see "637" or

You should see "637" or a dash variant like "637-1"

Part number: KLN184D

The hand (also called the cylinder hand) is the part that pushes against the cylinder's ratchet during trigger pull

357 Magnum Hammer Block Used Part

Part Number: 13171

Smith & Wesson K Frame Model 66 Cylinder & Yoke Assembly .357 Magnum Stainless - 6678H Internal Components You should see "637" orSmith & Wesson K Frame Model 66 Cylinder & Yoke Assembly . 357 Magnum, Stainless This factory original Smith & Wesson K Frame Cylinder & Yoke Assembly is a complete stainless steel 6 shot cylinder and yoke unit for the Model 66 Combat Magnum revolver. The non recessed cylinder design is correct for old style Model 66 revolvers. The yoke aligns the cylinder with the frame and barrel, while the cylinder houses the six chambers together they are one of