you upgrade the ammo by pack a punching your weapon it should costs $5000 to pack a punch which will upgrade your weapon and ammunition
You get more maximum ammo when you upgrade the gun. The ak74u usually has 20 ammo, and gets 40 when its upgraded.
Scavenger Or Scavenger Pro
In Call of Duty: Black Ops Zombies, upgrading ammo at the Pack-a-Punch machine costs 5,000 points. This allows players to enhance their weapons with increased damage and additional features. Players can also upgrade their weapons multiple times, but the cost remains the same for each upgrade.
There is no unlimited ammo in Black Ops.
Makes your gun stronger, makes your maximum ammo more, can add an underbarrel.
You do not get unlimited ammo
no
There is not an infinite ammo cheat
You don't get unlimited ammo
Not.
You can not get unlimited ammo
first you have to turn on the power and get into the teleporter to get to the pack a punch than put your gun in to get it upgraded(have at least 5000 points)