S&W Z Frame Governor Side Plate .45 Long Colt, .410 ZGOV151 pre-model 36 Installation requires partial disassembly of

Installation requires partial disassembly of your S&W revolver to access the mainspring and rebound spring

factory-original part

Smith & Wesson Model 1911

Direct replacement for worn or damaged guide rods

S&W Z Frame Governor Side Plate .45 Long Colt, .410 ZGOV151 pre-model 36 Installation requires partial disassembly ofSmith & Wesson Revolver Z Frame Governor Model Side Plate . 45 Long Colt, . 410 Used Part ZGOV151 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 the case