Springfield XD9, Striker Fired, Semi-automatic, Polymer Frame Pistol, Sub-Compact, 9MM, 3 Barrel, Stainless Slide, Black Frame, Fixed Sights, 10 Rounds, 2 Magazines XD9821 The XD 3" Sub-Compact from Springfield Armory is designed to bring you the most in a concealed carry pistol. Its superior ergonomics, reliable performance, and astonishing capacity combine to put more into a concealable pistol than you will find anywhere else. The XD 3" Sub-Compact has all the same features found in the standard XD line, but in a smaller package.