You need to be 18 to purchase one. Owning one is up to your parents, They are responsible for you until you turn 18.
no.
Do you mean an air Rifle? NO, Not in the United States.
You need to consult a lawyer
No. No license is required.
It all depends on the country or location where you live. There is no universal answer to this question
If it fires a projectile, it is classified as a firearm and you will need a licence for it. Your local District Firearms Officer will be able to advise you in more detail.
You need to find a lawyer who is familiar with firearms law to get a correct answer.
yes
Yes. An air rifle is not considered a firearm, thus a felons possession is not limited.
no
You have to be 18 to purchase one
see the link below for UK air gun laws