Submachine gun – the FSS Hurricane sacrifices range and stopping power for increased ammo capacity and enhanced stability.
| Level | Unlock | Type |
| 2 | Optic category | Equip optic attachments to this weapon |
| 3 | Cronen Mini Red Dot – optic | Universal attachment |
| 4 | Laser category | Equip laser attachments to this weapon |
| 5 | Xten Razor Comp – muzzle | Universal attachment |
| 6 | Rear grip category | Equip rear grip attachments to this weapon |
| 7 | FSS Cannonade 16” – barrel | M4 platform attachment |
| 8 | Underbarrel category | Equip underbarrel attachments to this weapon |
| 9 | Demo Quicksilver Collapsed – stock | M4 platform attachment |
| 10 | FSS-X7 – barrel | M4 platform attachment |
| 11 | 5.7X28mm Hollow Point – ammunition | Universal attachment |
| 12 | Phantom Grip – rear grip | M4 platform attachment |
| 13 | XRK Knockout Breach – muzzle | Universal attachment |
| 14 | Demo Quicksilver Stock – stock | M4 platform attachment |
| 15 | Weapon tuning | Fine-tune attachment performance on this weapon |