Types of Ammo
Can be used with the Remington 870, Double Barrel Shotgun and M4 Benelli. You can store up to 10 shells per inventory space.
Assault Rifle Ammo
Can be used with SA80 and AK-47. Up to 40 bullets can be stacked at a time.
Can only be used with the Hunting Crossbow. Bolts can be picked up via looting zombies killed with the Hunting Crossbow. Up to 8 Bolts at a time can be stacked up.
Can only be used for the Magnum Pistol. An inventory slot can hold up to 10 bullets before reaching max. Magnum ammo is very rare.
Mounted gun ammo
Can be used for the M2 Turret. Up to 90 bullets can be stacked at a time.
Sub-machine gun ammo
Can be used with the MP5SD and the UMP45. Up to 20 bullets can be stacked at a time.