S&W Moddel # 642-1 .38 spl+P is the Airweight Series of revolvers from S&W. 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.  The Model 642 is a variation of the Model 42 Centennial Airweight® that integrates the time-tested features of the original with modern advancements.