Beretta 92FS, M9, CX4, 92A1, 92X - 18 RD 9mm Magazine Beretta 92FS, M9, CX4, 92A1, 92X - 18 RD 9mm Magazine Compatible Firearms: BERETTA 92 and M9 series of pistols Caliber: 9mm Capacity: 18 rounds (+3 rounds compared to factory magazines and still flush... MSRP: $38.30 Was: Now: $25.95