USED gun one 13 rnd magazine .Sig Sauer P320 Compact 357 SIG 3.9in  Pistol - 10+1 Rounds - Sig’s Pistols are engineered to perform anywhere, at any time, and under any circumstance. They boast unique, advanced features that stand out among the rest. The P320 is a striker-fired modular, polymer-framed service pistol designed from the ground up with the input of law enforcement officers. It offers a smooth, crisp trigger, an intuitive, 3-point takedown and unmatched modularity to fit any shooter and any situation.