no you can't
Yes, from level 20 on a Hunter can learn to dual-wield weapons from his trainer. You can dual wield any one-handed weapon the hunter has proficiency in. Hunters cannot learn to use 2 guns, or dual-wield 2-handed weapons.
There are always exceptions, but, as a general rule, NO.
You have to earn the golden guns
In the phone book, under upgrades, there is a Dual Wield upgrade for Pistols and SMGs.
You can do cheats for guns.
Currently, no.
I'm an American, I need guns
im not necercerrlly sure but i think its hidden and you have to have a donkey
there are no codes, you must complete the gun challenges
nope.
Rank 50. Message me if you want to know when you get other guns or something.
you can only get golden guns in multiplayer mode