Generally speaking, you have to be 18 to buy rifle or shotgun ammo, and 21 to buy handgun ammo.
OK. I don't know your exact question, but I can still answer it. To get infinite ammo beat the game and have a fully upgraded weapon. Go to bonus features and buy infinite ammo. Then go to special features and turn Infinte ammo on. There you go!
Buy it
Yes
Yes.
no only with cheats but when you improve your gun with packapunch you get double the ammo the max ammo you usually have
Whether you do or not depends on where you live. As for countries not requiring a licence to buy .22 ammo, the United States is one.
well rocket is unlimited but you have to buy all other ammo for your weapons and you can win some ammo from those mystery boxes
you buy ammo
21
yes, cheaperthandirt.com
http://www.gunbroker.com/