JB3109 S & W Revolver J Frame Model 31 Hammer & Trigger .240" Used K Frame Model 10 Some fitting may be necessary

Some fitting may be necessary to ensure proper timing

Part Number: 310340080

Capacity: 6 Shot

Firing Pin Type: Centerfire

45 ACP Standard 4506

JB3109 S & W Revolver J Frame Model 31 Hammer & Trigger .240" Used K Frame Model 10 Some fitting may be necessaryJB3109 Smith & Wesson Revolver J Frame Model 31 . 240" Hammer & Trigger . 32 S&W Long Case Colored Old Style Used Part We sell used, new & new old stock Smith & Wesson double action revolver parts. Shoot us an email or give us a call for all your Smith & Wesson Gun needs! USA Guns And Gear 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