The best ISO 45 loadout in Warzone
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The ISO 45 was a Battle Pass weapon that arrived in Season 4 of Call of Duty: Warzone. When it first launched, many players used the ISO 45 as their secondary of choice, as it has a blistering high fire rate and terrific damage. While other SMGs have taken the place of the ISO 45 in Season 5, that doesn’t mean it’s still not a strong weapon. This is especially true when you throw on the best loadout for the ISO 45 in Warzone.

Activision describes the ISO 45 as a “room clearing” SMG that “dominates with a high fire rate and the stopping power of .45 Auto rounds.” The ISO 45 still has the ability to dismantle enemies in the blink of an eye at close range. However, other SMGs are more reliable at range, which made the ISO 45 fall out of favor with the player base. Luckily, you can make the ISO 45 compete with those SMGs by using a specific set of attachments.

To see the best loadout for the ISO 45 in Warzone, check out the guide below.

Best ISO 45 loadout in Warzone

Since the ISO 45 is already so strong at close range, the loadout we have chosen is more tailored to improving its long-range capabilities. This way, you will be able to succeed no matter the range an enemy is at.

  • Barrel: 7″ EX Raptor-V2
  • Stock: SK-3 Cheetah
  • Muzzle: Spiral V2.5 Flash Hider
  • Magazine: 45 Round Drum
  • Rear Grip: EXP Shear

The lone attachment that improves the ISO 45’s mobility is the SK-3 Cheetah, which gives you a slight increase to sprint-to-fire time and aim down sights speed.

The rest of the loadout is focused on boosting the ISO 45’s damage range, recoil control, and magazine size. The 45 Round Drum in particular is vital to the loadout as the ISO 45 shoots so quickly that it depletes its standard 30 rounds very quickly.


Joey Carr is a full-time writer for multiple esports and gaming websites. He has 7+ years of experience covering esports and traditional sporting events, including DreamHack Atlanta, Call of Duty Championships 2017, and Super Bowl 53.


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