The original S&W Model 648 was produced from 1989 until 1996, then again from 2003 to 2005, and finally reintroduced in 2010, as a part of the S&W Classic revolver line. The Model 648 is a single/double-action revolver that shoots .22 Winchester Magnum Rimfire caliber ammunition with an 8-round cylinder capacity. It is built on the company’s medium-size K-Frame. Thanks to the frame size and the cartridge’s small size, recoil is minimal. The gun also features a partridge front sight, an adjustable rear sight, and synthetic finger-grooved grips. This is a full stainless-steel revolver which means that the barrel, frame, and cylinder are made of stainless steel, highly protected from corrosion. With an overall length of 11.1 inches and a total weight of 46.2 ounces, this firearm is definitely not intended for concealed carry. The trigger is almost as wide as the trigger guard. Single-action trigger pull is crisp and easy. Overall, this is a classical competition revolver with a high cylinder capacity and a long barrel, suitable for recreational shooting and self-protection.