JB301D Smith & Wesson J Frame Pre Model 30 Trigger Used .38 Special Model 57 Model 57-1 (

Model 57-1 (

smooth double-action trigger

while the hand (also called the pawl) rotates the cylinder to align each chamber with the barrel

The hand is a critical internal component that pushes against the cylinder ratchet to rotate the cylinder as the hammer is cocked

Factory New Part - 412240000

JB301D Smith & Wesson J Frame Pre Model 30 Trigger Used .38 Special Model 57 Model 57-1 (JB301D Smith & Wesson J Frame Pre Model 30 Trigger Used . 38 Special 5 Screw Please call or email with any questions! 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