Finely tuned by master gunsmiths, Smith & Wesson Performance Center Model 637 Enhanced Action Single/Double Action Revolver proves an ideal concealed carry revolver. The exposed hammer of the 637 enables you to cock the revolver for deliberate, precise aim. The low-profile, ramp front sight and the fixed notch rear sight contribute quick instinctive aiming. Built on Smith & Wesson's famous alloy J-Frame, this model has a 5-shot cylinder rated for +P .38 Special ammunition. A stainless steel cylinder and barrel and the aluminum alloy frame resist corrosion caused by humidity and perspiration when the revolver is carried close to the body. Basketweave wood grip's ergonomic contours fit comfortably in your hand. The Smith & Wesson Performance Center Model 637 enhanced action revolver carries easily, deploys rapidly, and has enough firepower to handle any self-defense scenario. Ideal handgun for concealed carry Fires in single- or double-action modes Stainless steel and alloy construction Ramp front sight and fixed rear sight 5-shot, +P rated