072180000 Smith & Wesson J Frame +P & K Frame Locking Bolt Pin

072180000 Smith & Wesson New K and L Frame Locking Bolt Pin Fits Models: 66, 681, and 686  Smith & Wesson J Frame +P & K Frame Locking Bolt Pin New Part# 072180000 All J Frame And K frame   We sale used, new & new old stock Smith & Wesson double action revolver parts. Shoot us an email or give us a call for all your S&W 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 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 “hand ejector” came to denote all revolvers in