Since 1950, Smith & Wesson J-Frame revolvers have had your back. These small revolvers are built to fire full-power rounds and are as simple and easy to use as they are reliable. It’s no surprise that the Smith & Wesson J-Frame has become the most popular small-frame defense revolver on the market, available in a variety of calibers and with three distinct hammer designs. The Model 340 PD is a variant of the Model 40 Centennial AirLite that combines time-tested features with modern advancements such as HI-VIZ Fiber Optic Green front sights. Because of its lightweight, enclosed hammer, and dependability, this revolver is a popular backup and concealed carry firearm.