You can't change weapons. You automatically use your best ones.
Mugging.
To get the best weapons on Mafia Wars you have to use rewards points to buy them when they have special reward offers. A: or You can get loot from jobs ar-15 is pretty good
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no you cant
you can get loots from fights or from doing jobs that can drop loot. You actually can buy bad ones from the new york, cuba etc store
play mobsters on myspace
you can have as many items as you desire. the number of mafia does not affect how many items you may have but the number of mafia helps you in fights and robbing. the more mafia, the stronger you get in fights.
From any weapon you have, if you are fighting or defending you always use the best there is without manual choice.
You dont. it automatically equips weapons (your best ones) and uses those in a fight/war or anything else you need it for.
Generally speaking, you'll use your 8 best weapons in a fight and everything else will just sit there and not help you at all. There are some game mechanics that may lead to lesser weapons being used instead, but it won't make much of a difference.
You don't do missions to unlock weapons you unlock weapons by leveling up.