Sig Sauer P320, Compact, Striker Fired, Semi-automatic, Polymer Frame Pistol, Compact, 9MM, 3.9 Barrel, Nitron Finish, Black, Optics Ready Slide, Siglite Night Sights, 10 Rounds, 2 Magazines 320C-9-BSSP-10 The P320 Compact offers a smooth, crisp trigger to make any shooter more accurate, an intuitive, 3-point takedown and unmatched modularity to fit any shooter and any situation. Its compact frame is ideal for target shooting and home defense, as well as many concealed carry scenarios. This modular, striker-fired pistol features a compact grip, compact slide, and SIGLITE Night Sights. Available calibers include 9mm.