S&W Z Frame Governor Side Plate Screws (3) .45 Long Colt, .410 ZGOV155 j642u the bolt (also called the

the bolt (also called the cylinder stop) rises to lock the cylinder in precise alignment with the barrel at the moment of firing

Factory new OEM stainless steel 6-shot cylinder for the Smith & Wesson Model 64 K-frame revolver

Recoil spring (factory strength)

Compatibility: N Frame round butt models (must have rounded corners on butt of frame)

S&W Z Frame Governor Side Plate Screws (3) .45 Long Colt, .410 ZGOV155 j642u the bolt (also called theSmith & Wesson Revolver Z Frame Governor Model Side Plate Screws (3) . 45 Long Colt, . 410 Used Part ZGOV155 How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in 1957 58. So if there is no model number then your revolver may be older than 1957 58. In this case we can possibly still find the part you need with the serial # . If this is