Sig Sauer P320 XTEN, Striker Fired, Semi-automatic, Polymer Frame Pistol, Full Size, 10MM, 5 Barrel, Nitron Finish, Black, Optics Ready, Trijicon RMR Footprint, XRAY3 Night Sights, 15 Rounds, 2 Magazines 320X5-10-BXR3-R2 The P320 Full-Size 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 full-size frame is ideal for target shooting, home defense and any scenario where shootability and sighted accuracy are of the highest priority. This modular, striker-fired pistol features a full-size grip, full length slide, XRay 3 Day/Night Sights and an optic ready slide compatible with Romeo2 and Trijicon RMR foot print optics. Safety features include a striker safety and disconnect safety.