Sig Sauer P320, Striker Fired, Semi-automatic, Polymer Frame Pistol, Full Size, 9MM, 4.7 Barrel, Nitron Finish, Black, Polymer Grip, ROMEO-RS PRO Sight, XRAY3 Night Sight, 17 Rounds, 2 Magazines SG320F-9-BSSP-RS With its unmatched modularity, unprecedented accuracy, and uncompromising reliability, the state-of-the-art SIG SAUER P320 has quickly become one of the most sought after firearms on the market today. Chosen by all branches of the U.S. military, as well as law enforcement agencies across the country and around the world, the P320 redefines the modern handgun.