You can get the M16A1 in the "El Capitan" Tier in Cuba by completing the 'Transport A Shipment of US Arms' job.
Museum Job
You get them randomly from helping mafia members (/facebook friends) with anything really. e.g. wars, gifting etc.
You just have to add each other as Facebook friends then go to the my mafia tab on the game and find the person and add them. Then after they will have to add you so you are in eachothers mafias.
Go to "settings" next to youre name up on the top of the Facebook page. Choose application settings and all youre applications will be shown. Find Mafia wars and click the X for removal.
well, there's always the wishlist function, which is the three items one sees when one clicks on one's mafia's profile. Also, some items, like the Cuban M16A1, are never not wanted. Failing that, you could message them...
no because the page only shows the game page of the person not the personal profile in Facebook.
The Delivery Truck could be bought in New York for $20,000
try joining some pimping services and you can see a lot of people there playing mafia wars just like D-roes pimping service and others.
Sorry to say...it is completely random. Keep trying.
your Mafia Wars whenever you are in the fight mode. you can see your status and your Mafia Wars ID when you attack anyone.
attack them
it will show on your message board for Mafia Wars on the home page.