Description Smith & Wesson J-Frame revolvers have had your back since 1950. These small revolvers were designed to fire a full power round and are as simple and easy to use as they are reliable. Available in various calibers and with three diverse hammer designs, it is no surprise that the Smith & Wesson J-Frame has become the most popular, small-frame, defense revolver on the market.The Model 642 CT is the latest version of the Model 42 Centennial AirweightÂ, a lightweight aluminum alloy revolver with a fully concealed hammer. The Model 642 CT integrates the time-tested features of the original with modern advancements including Crimson Trace Lasergrips.Crimson Trace Lasergrips for fast and accurate shot placement Lightweight alloy frame for easy carry Stainless steel barrel and cylinder Snag-Free enclosed hammer Rated for continuous +P Use NO INTERNAL LOCK Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.