The shockingly slim XD-S 4.0" Single Stack from Springfield Armory has all the features, performance, and power you'd find in a full size handgun, but in a smaller package. With the flush-fit magazine, the XD-S is the perfect conceal carry pistol. The sub-compact frame extends to full size length with the X-Tension magazine. Combined with th 4" barrel, the XD-S makes the ideal pistol for a day at the range. Comfortable ergonomics and two interchangeable backstraps allow it to work without punishing your hands. It has a fiber optic front and dovetail rear sight for quick alignment. Other features include a short reset trigger and a single-position integral rail. The XD-S 4.0" Single Stack boasts multiple safety features, including the Ultra Safety Assurance (USA) Action Trigger System, a loaded chamber indicator, and a grip safety. The XD-S model with a durable rugged case and two magazines - one flush-fitting and one full-size Mag X-tension magazine.