It is potentially possible, but highly unlikely that you would be approved for an NFA tax stamp in the state of Illinois, especially if you're in Cook County.
Have never heard of an underwater assault rifle. In the US, you must be 18 to buy a rifle, and 21 to buy a fully automatic rifle.
A TRUE Assault Rifle is fully automatic. Federal law requires you be 21 to buy one of those in ANY state. However, what people may CALL an assault rifle (such as a semi-auto AK47) can be purchased at 18.
18.
The most expensive.
Wal-mart
100-1000 usd
You can buy a semi automatic Title I rifle at 18. To purchase a true, select fire (auto or burst) NFA tax stamped assault rifle, you must be 21.
a full automatic rifle
Only the fully automatic firearms that were already registered with the BATFE by May 1986 can be transferred to a private citizen. Which is why the price of a LEGAL, papered M16 that can be transferred is about $26,000. Since the supply is finite, prices have risen sharply.
You upgrade the first sniper rifle to the maximum. And you have to have completed the storyline.
Yes, you can ship semi automatic bb guns to new zealand but not fully automatic ones
18 for a military style semi automatic. For a true assault rifle, which would be an NFA Class III full auto weapon, 21.