The best SMGs to have in your loadouts in Warzone 2 Season 6 are:
These SMGs are very mobile and kill extremely quickly up close, making them great options for taking down other opponents inside buildings.
We have listed all of the best builds for these weapons below so you can add them to your loadouts before you drop into Al Mazrah, Ashika Island, or Vondel!
3. ISO 45
The ISO 45 is still a great SMG in Warzone 2, despite a couple of nerfs recently. This is thanks to its very fast mobility and time-to-kill.
| Attachment | Tuning | How to Unlock |
| FTAC Castle Comp (Muzzle) | +0.36 ↑ +0.22 → | 556 Icarus Level 10 |
| VLK LZR 7MW (Laser) | -0.22 ↓ -22.48 ← | STB 556 to Level 5 |
| Cronen Mini Pro (Optic) | -1.58 ↓ -2.25 → | Expedite 12 Level 7 |
| 45 Round Drum (Magazine) | N/A | ISO 45 Level 14 |
| A30 Stout (Rear Grip) | -0.35 ↓ -0.10 ← | ISO 45 Level 4 |
2. ISO 9mm
The ISO 9mm is the latest SMG to come to Warzone, and it is also one of the best! High damage and mobility, as well as low recoil puts this weapon firmly in the close-range meta!
| Attachment | Tuning | How to Unlock |
| Spiral V3.5 Flash Hider (Muzzle) | +0.72 ↑ +0.28 → | PDSW 528 Level 7 |
| VLK LZR 7MW (Laser) | -0.24 ↓ -24.80 ← | STB 556 Level 5 |
| RES 2 (Stock) | -1.74 ↓ -1.20 ← | Expedite 12 Level 7 |
| 50 Round Drum (Magazine) | N/A | ISO 9mm Level 12 |
| EXP Shear (Rear Grip) | -0.38 ↓ -1.20 ← | ISO 45 Level 17 |
1. Lachmann Sub
The Lachmann Sub is the best SMG in Warzone 2 right now. High damage, a very controllable recoil pattern, and good mobility make it the must-have choice for your loadouts!
| Attachment | Tuning | How to Unlock |
| Lacerta Compensator (Muzzle) | +0.64 ↑ +0.16 → | BAS-P Level 22 |
| VLK LZR 7MW (Laser) | -0.24 ↓ -18.50 ← | STB 556 Level 5 |
| Cronen Mini Pro (Optic) | -1.58 ↓ -2.25 → | Expedite 12 Level 7 |
| 50 Round Drum (Magazine) | N/A | Lachmann Sub Level 5 |
| Lachmann TCG-10 (Rear Grip) | +0.76 ↑ -0.40 ← | Lachmann 762 Level 11 |
