Sig Sauer Magazine, 9MM, 15 Rounds, Fits E2 and Updated P229, Flush Fit, Steel, Black MAG-229-9-15-E2 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.