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The ISO 45 in Modern Warfare 2 and Warzone (Image via Activision)

How to unlock ISO 45 in Warzone 2 and Modern Warfare 2 Season 4 

The ISO 45 is a brand new submachine gun (SMG) in Modern Warfare 2 and Warzone 2 and will join the two games' arsenals with the Season 4 update. Although the shared armory of both games does contain quite a few SMGs, this class didn't see any new addition since the arrival of BAS-P. However, after two barren seasons, the developers have finally added a new one to the games.

Usually, whenever a new gun gets launched in Modern Warfare 2 and Warzone 2, it comes with buffed stats and is quite overpowered before its eventual nerf. As such, this article will take a closer look at the ISO 45 SMG and how to unlock it in Modern Warfare 2 and Warzone.


How to unlock ISO 45 from Warzone 2 and Modern Warfare 2 Season 4 battle pass

Gear up, new Weapons await you.

🪒Tempus Razorback AR
⚔️ Tonfa Melee weapon (Event unlock)

Learn more about Season 04 weapons in the #CODBlog bit.ly/S04-Arsenal

The ISO 45 is based on the ISO Platform and comes with .45 rounds. Fans who have played Modern Warfare (2019) will be familiar with the gun. It boasts the same firepower as the version featured in that title but is better in every sense.

According to the developer, the gun excels at close quarters and has a high rate of fire. Generally, fast-shooting SMGs don't have high damage per bullet, but that won't be the case with the ISO 45. It will be extremely lightweight and thus be viable for aggressive and fast-paced gameplay.


The firearm will be available for free at the launch of Season 4 and be unlocked through the Season 4 Battle Pass by completing Sector D19.

Since it is the High Value Target (HVT) of Sector D19, you must earn all four rewards in the Sector. This will make you eligible to earn the HVT. You can then use one Battle Token to unlock the ISO 45, and the SMG will be accessible across both Modern Warfare 2 and Warzone 2.

This is all there is to know about unlocking the ISO 45 in Modern Warfare 2 and WZ 2. Based on what's been revealed, the SMG appears to be a viable choice for players in smaller maps, including the new map Vondel.

Everything you need to know about Season 04 of Call of Duty #Warzone and #MWII is here bit.ly/S04-Roadmap

New Warzone map Vondel with Resurgence and DMZ at launch
Six additional MP maps across various modes
New season of Warzone and MWII Ranked Play

Call of Duty recently announced everything fans can expect in the Season 4 update of Modern Warfare 2 and Warzone 2, set to be a game-changer for the two titles. Warzone 2, for instance, is getting renamed to Call of Duty: Warzone.


The forthcoming update will introduce a host of new maps, Operators, game modes, weapons, and more. As for weapons, Season 4 will see the addition of three weapons: an Assault Rifle, an SMG, and a Melee weapon.

Call of Duty: Modern Warfare 2 and WZ 2 Season 4 will go live on June 14, 2023. The update will be available on the Windows PC (via Battle.net and Steam), Xbox One, PlayStation 4, Xbox Series X/S, and PlayStation 5.

Edited by
Sandeep Banerjee
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