Back 4 Blood includes a variety of upgrades. Upgrades work just like active cards of card system.
Stat
| Title | Description | Type | Color |
|---|---|---|---|
| Mag Carrier | +10% Pistol/SMG Ammo Capacity | Stat | Blue |
| Rifle Ammo Capacity | +10% Rifle Ammo Capacity | Red | |
| Sniper Ammo Capacity | +10% Sniper Ammo Capacity | Green | |
| Shotgun Ammo Capacity | +10% Shotgun Ammo Capacity | Yellow |
