Sig Sauer Magazine, 9MM, 10 Rounds, Fits P250/P320 Compact, Black MAG-MOD-C-9-10 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.