A "green card" is issued to immigrant aliens in the US- aka resident aliens. The holder of a green card may purchase firearms in the US. There are restrictions on NON-immigrant aliens buying firearms (they must meet certain criteria to do so) but Immigrant Aliens are treated as citizens are treated. The question asked on the form 4473 that a gun dealer must have you complete deals with Illegal Aliens, and non-immigrant aliens.
PS- my wife of 40 years is a British subject- has her green card- and has purchased firearms- and has a concealed weapons license.
How you can get greencard if you work with visa J1?"
no
You can get a greencard if a US citizen familiy member, relative or fiancee petition you.
Yes, you do need a greencard to live in the States of America.
greencard holder gets a fellony does he get deported
Well you would have to be at least 18 in order to buy a firearm.
You have a strong enough argument to take action. Contact the people who issued the greencard.
yes.
No.
No
Certainly.
Nowhere in the US.