A spare gun magazine developed by Dr.A. It is made with a special material that is able to last long in the concentrated battle. By possessing this item in your inventory, your spare ammunition will increase to a higher amount varying on the grade of the item.
Spare Magazine can be obtained randomly by opening Dr. A's Trunk after Zombie Scenario Re:boot. The grades of Spare Magazine acquired vary on the grade of Dr. A's Trunk. For instance, opening Low Grade Dr. A's Trunk will give you a Low Grade Spare Magazine.
Spare ammo will upgrade to stage 3 in Zombie Scenario
Spare ammo will upgrade to stage 5 in Zombie Scenario
Spare ammo will upgrade to stage 7 in Zombie Scenario