NIB Sig Sauer MPX Copperhead 9MM. **NO CC FEES** Make: Sig Sauer. Model: MPX Copperhead. Caliber: 9MM Luger. Trigger: Single Stage. Barrel: 3.5 Inch. Twist Rate: 1 in 10 inches. Magazine: One 20 round included. Finish: Cerakote. Action: Semi-Auto Operation System: Gas Piston. Unconventional design, unmatched performance, and familiar AR handling. The SIG MPX redefines the submachine gun category with a new level of operator safety, in-field adaptability and proven reliability in the harshest environments. Completely ambidextrous, the SIG MPX is great for left- or right-handed shooters with its dual-sided selector switch, magazine release, charging handle and bolt release. The SIG MPX operates from a fully-closed and locked rotating bolt, offering enhanced reliability and safety in use. A short-stroke gas piston allows the SIG MPX to run all weights and brands of 9mm ammunition with no adjustments to the gas valve. Gun pictured may be a stock photo and/or may not be the exact gun purchased. So wood grain, serial number, hand orientation, caliber, etc shown may vary slightly. Let us know if you would like more pictures or info on this or any of our items. We have over 4000 new and used firearms in stock if there is something else you're looking for! We DO NOT charge extra for credit cards!