XDM .40 Smith & Wesson 4.5 Inch Match Grade Barrel 16 Round Black Finish With XDM Gear System Contour frame. Deeper, longer and more slide serrations. Angle and depth of each contour in the grip has been calculated for maximized control vertically, horizontally and torsionally. Match grade barrel. Minimal reset trigger. Operation of the magazine release is easily accomplished by virtually any size hand without twisting or adjusting from the shooting grip. Triple-position Picatinney rail. Aditional backstraps. Dovetail front and 3-dot steel rear sights. Polymer frame. All XDM pistols include XDM Gear System: belt holster, double magazine pouch, magazine loader, two magazines and a cable lock.