How to Unlock ISO 9mm in Modern Warfare 2 and Warzone 2

The 9mm ISO submachine gun is included in the new additions, so for those interested, here’s how you can unlock this weapon once the season starts.

Players can unlock ISO 9mm for free in the Season 6 Battle Pass at launch  , and while we don’t know what sector it will be in yet, we expect it to be around the F8 sector mark, above or below.

Unlocking shouldn’t take too long if you play the game consistently. The Call of Duty blog describes the weapon as a “rapid-firing submachine gun” that also has excellent “maneuverability and exceptional stability.”

Since this is a submachine gun, you should keep it for close range as the ISO 9mm “favors speed over long-range lethality.” Since the gun handles well, you’ll have options when it comes to attachments, and you can either go all in on speed or get some range back with a muzzle attachment or barrel attachment.