Smith & Wesson 163062: Smith & Wesson combined a scandium alloy frame with a titanium cylinder to build the strongest and lightest weight .357 Magnum revolver made. The result is the Model 340, maximum power in a small, lightweight, easy to carry package. Smith & Wesson\'s lightest and strongest revolvers deliver dependable power every time. This J-Frame model is the perfect concealable revolver featuring an internal hammer. It is rated for 38 Special +P as well as 357 Magnum ammunition.,Smith & Wesson J-Frame revolver is designed to fire a full power round and is reliable. It is a small-frame, defense revolver.The Model 340 PD is a variation of the Model 40 Centennial AirLite which integrates the time-tested features of the original with modern advancements. It is a favored back-up and concealed carry firearm due to its lightweight, enclosed hammer, and reliability.This model has a stainless steel 1.875\" barrel, titanium alloy cylinder, and Scandium alloy frame with a black finish. It also has Hi-Viz fiber optic green front and rear adjustable sights.