Sig Sauer Mag, 9MM, 10 Rounds, MPX, Fits Generation 2, Polymer, Smoked MAG-MPX-9-10-KM Trusted by military, police and civilians for decades, SIG SAUER has earned a worldwide reputation for the unquestioned accuracy and unflinching reliability of its pistols and rifles. SIG SAUER magazines provide exceptional fit and reliable feeding in their high quality firearms.