Assault rifles are the go-to primary weapons for many Call of Duty players, but with a number to choose from in MW3, it can be hard to choose the best one.
We’ve got a full rundown of all of the meta ARs and their best builds for Modern Warfare 3, so you can spend more time playing and less time comparing stats in the Gunsmith!
The top 3 assault rifles to use in your MW3 Multiplayer loadouts are:
- SVA 545
- MTZ-556
- MCW
All of these ARs have a fast time to kill, controllable recoil, and enough handling speed that they can be effective at all ranges.
Below, we have included the best builds for all of these guns, alongside some information about how to use them!
3. SVA 545
The SVA 545 is a very powerful assault rifle for MW3 Multiplayer, as it fires the first two shots at almost exactly the same time.
This trick makes it deadly in the hands of skilled played, but it requires good aim to be very effective.
| Attachment | How to Unlock |
| HMRES Mod Suppressor (Muzzle) | SVA 545 Level 24 |
| MK. 3 Reflector (Optic) | MTZ-556 Level 2 |
| Makeev R11 Stock (Stock) | SVA 545 Level 15 |
| 5.45 Low Grain (Ammunition) | SVA 545 Level 29 |
| Demo 650 Grip (Rear Grip) | SVA 545 Level 5 |
2. MTZ-556
The MTZ-556 is the perfect weapon for aggressive AR players as it has a fast fire rate and good mobility.
This allows excel at mid-range and close-range combat.
| Attachment | How to Unlock |
| Casus Brake (Muzzle) | KV Inhibitor Level 5 |
| MTZ Clinch Pro Barrel (Barrel) | MTZ-556 Level 4 |
| MK. 3 Reflector (Optic) | MTZ-556 Level 2 |
| Chewk Angled Grip (Underbarrel) | Longbow Level 11 |
| Bruen TR-24 Assault Grip (Rear Grip) | MTZ-556 Level 9 |
1. MCW
The king of assault rifles in MW3 Multiplayer is the MCW – and there are plenty of reasons why.
The MCW has the fastest time to kill of any automatic assault rifle, great recoil control, and good range, making it the best choice for almost every player!
| Attachment | How to Unlock |
| Shadowstrike Suppressor (Muzzle) | Longbow Level 11 |
| Second Line Mammoth Heavy Barrel (Barrel) | MCW Level 18 |
| MK. 3 Reflector (Optic) | MTZ-556 Level 2 |
| 40 Round Mag (Magazine) | MCW Level 6 |
| RB Claw-PSL Grip (Rear Grip) | MCW Level 3 |
Now that you know the best assault rifle loadouts to use in MW3, you should be getting plenty of kills. Make sure to try out all three on the list to see which one you like the most!