The ISO 45 is an SMG and was released via the MW2 Season 4 Battle Pass on June 14th, 2023. The ISO 45 may also be used in Warzone 2 and weapon progress will carry over into MW3.
ISO 45 Key Takeaways
- The ISO 45 is currently an A-Tier option in the MW3 meta and an S-Tier option in the Warzone 2 meta
- The current best loadout attachments for the ISO 45 in MW3 are: 1mW Quick Fire Laser, Lockshot KT85, 45 Round Drum, SK-3 Cheetah, and EXP Shear
- The current best loadout attachments for the ISO 45 in Warzone 2 are: Lockshot KT85, VLK LZR 7mW, SK-3 Cheetah, 45 Round Drum, and EXP Shear
For a meta AR loadout check out the Kastov 762.
Table of Contents
Best ISO 45 Loadout Warzone
- Muzzle: Lockshot KT85
- Laser: VLK LZR 7mW
- Stock: SK-3 Cheetah
- Rear Grip: EXP Shear
- Magazine: 45 Round Drum
Best ISO 45 Loadout MW3
- Laser: 1mW Quick Fire Laser
- Muzzle: Lockshot KT85
- Stock: SK-3 Cheetah
- Rear Grip: EXP Shear
- Magazine: 45 Round Drum
Best ISO 45 Loadout MW2
- Laser: 1mW Quick Fire Laser
- Muzzle: Lockshot KT85
- Stock: SK-3 Cheetah
- Rear Grip: EXP Shear
- Magazine: 45 Round Drum
How to Unlock the ISO 45
Players must either get 45 Operator kills without taking any damage using SMGs or extract with the ISO 45 in DMZ mode in order to unlock the ISO 45. Originally, players unlocked the ISO 45 by completing sector D19 of the Season 4 Battle Pass.
ISO 45 Camo Challenges
| Camo | Challenge | Unlock Level |
| Tunnels | Get 50 kills with the ISO 45 | 2 |
| Ziggurat | Get 40 kills while ADS with the ISO 45 | 9 |
| Dappled Shade | Get 20 kills from behind with the ISO 45 | 13 |
| Prismatic | Get 20 kills from behind with thee ISO 45 | 19 |
| Gold | Get 3 kills without dying 10 times with the ISO 45 | Complete all base camo challenges |
| Platinum | Get 25 longshot kills with the ISO 45 | Complete 8 Gold challenges with SMGs |
| Polyatomic | Get 25 headshot kills with the ISO 45 | Complete 51 Platinum camo challenges |
| Orion | N/A | Complete 51 Polyatomic camo challenges |
Looking to test or share your ISO 45 loadouts?
Zleague.gg has one of the largest communities of Warzone players on our mobile app. Download the app today and share your favorite loadouts in the feed to get feedback from other community members. You can share clips to show your custom loadouts in action and find yourself some new followers. While you’re there, try the Team Up feature to form new squads and check out each member’s performance stats.
You can also test out your loadouts in competitive play with Z League’s Warzone tournaments. All of Z League’s tournaments leverage proprietary skill-based matchmaking (SBMM) algorithms to ensure that you’re always placed in a division with similarly-skilled players.
