The Smith & Wesson CSX E-Series 9mm Pistol is a microcompact, semiautomatic single-action handgun with a 3.6-inch stainless steel barrel and a capacity of 10+1 rounds. This optic-ready firearm has a stainless steel slide and aluminum alloy frame with an Armornite finish. It has white dot sights in the front and back, an E-series trigger, interchangeable backstrap grips and an ambidextrous manual thumb safety. Smith & Wesson CSX E-Series 9mm Pistol - Handgun Semiauto Center Fire at Academy Sports