First Upgrade
- SPECIAL WEAPON AMMO - Increases the number of special weapon ammunition you can carry.
Second Upgrade
- ARMOR ENHANCEMENT UPGRADE - Increases this Armor's defense.
Third Upgrade
- HEAVY WEAPON AMMO - Increases the number of heavy weapon ammunition you can carry.
Unique Upgrade
- GRENADE BOOSTER - Carry an additional Grenade.
Final Upgrade
- HARDEN - Increases Defense but locks in all previous choices.
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