The Smith and Wesson 640 DAO(Double Action Only) revolver is a handful of protection. Chambered for the powerful .357 magnum, the Smith & Wesson 640 will also shoot lesser powered .38spl and .38spl+P. Giving the shooter a wide variety of choices for personal defense, or even wildlife defense when running, hiking, or camping with the S&W 640. The Hammerless DAO or Double Action Only is perfect for concealed carry, with no rough edges or hammers to catch on the draw and slow you down. The Stainless steel body of the Smith and Wesson 640 is impervious to in adverse weather conditions. The 640 is able to withstand even the harshest conditions and still keep on ticking. The revolver is known for its utmost reliability and able to work under harsher conditions than smaller compact autos, given its lack of moving parts and easier operating mechanism. The Black rubber grip is both comfortable and forgiving, even when shooting heavy magnum loads.