- For a similar attachment, see 50 Round Mags.
50 Round Drums is an attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is a magazine extension for the ISO and CX-9 submachine guns.
50 Round Drums is an attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is a magazine extension for the ISO and CX-9 submachine guns.