This Beretta APX .40 S&W magazine is an easily removable double stack device that allows a rapid reloading of the pistol. It is available in .40 S&W and has a capacity of 15 rounds. The magazine comes in a black finish. Beretta has a core value of total commitment to quality. This APX .40 S&W magazine follows through on that commitment. This magazine would be a useful replacement for the Beretta APX .40 S&W pistol.