It's illegal in most countries.
It is illegal.
No
Depends on who is using them and for what.
HIGHLY illegal.
In some jurisdictions, yes.
Contact your local police.
you have to be 18 to get some
Whether it is illegal to own an M90 rifle depends on where one lives. Most nations limit or prohibit such rifles. However, they are legal in most of the United States.
yes
HIGHLY illegal. If you have one, the best thing you can do is take it off and cut it up.
If you are talking about the AR-15, then depending on what local we are talking about, then they are not illegal. AR-15 stands for Armalite 15, not assault rifle, and They are available to be bought in the united states in almost all areas.
Yes they did, my Great Grand Uncle was Company Commander of the 1st Machine Gun Battalion, Rifle Brigade and was in Ireland from 1920 to early 1923 (around the time that the Machine Gun Battalion was disbanded).