Enhanced variation of XD series, with interchangeable backstraps, improved magazine release and disassembly design. Offered in 9mm, .40 S&W or .45 ACP, with 4.5" barrel. Three-dot sights with night sights available. Black or two-tone polymer frame, Ultra Safety Assurance trigger, striker fired, grip safety, ambidextrous magazine releases, accessory rail, loaded chamber and cocked striker indicators. Weight 27 oz. empty. Also available in Competition model (9mm only), with 5.25" barrel with lightening cut on top of slide. Discontinued.