05044B000 Smith & Wesson New J & K Frame Under 5" Barrel Locking Bolt Pin

05044B000 Smith and Wesson New J & K Frame Under 5" Barrel Locking Bolt Pin Models: 10, 12, 15, 17, 18, 31, 32, 34, 36, 37, 38, 40, 42 & 442 We sell used, new & new old stock Smith & Wesson double action revolver parts. Shoot us an email or give us a call for all you S&W part needs! - USA Guns And Gear. Pin Maybe used for other parts Revolver Pistol Gun Part 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 this is the case contact us and we will need a little more info on your revolver. A revolver is a repeating handgun that has a revolving cylinder containing multiple chambers and at least one barrel for firing. The term