Sig Sauer P320 Police Surplus 9MM Pistol. These police surplus pistols are chambered in 9mm and are semi automatic. Used by law enforcement agencies and now available for sale as a surplus item these pistols are in excellent condition. They feature a 3.9" barrel, polymer frame, stainless steel slide, ambidextrous slide catch and come with 3 -17 round magazines. These pistols make a great carry option and are equally as good as a home defense pistol. If its good enough for law enforcement you know it's good enough for you. Grab one while they last!