MX9 MW2 Loadout
The best MX9 multiplayer builds
All attachments and where to unlock them
How to unlock the MX9 in Modern Warfare 2?
| Platform | How to unlock |
| Bruen Bullpup | To unlock the MX9, you need to: |
All attachments that you can unlock with the MX9
| Name | Slot | Level |
| 32 Round Mag | Magazine | 2 |
| FTAC C11 Riser | Comb | 5 |
| 16.5" Bruen S901 | Barrel | 7 |
| Corvus Downrange-00 | Optic | 8 |
| FTAC Castle Comp | Muzzle | 12 |
| Bruen Q900 Grip | Rear grip | 13 |
| Forge DX90-F | Muzzle | 15 |
| 9MM Sub AP | Ammunition | 16 |