Federal law is 18 for long guns and 21 for hand guns.
In New Zealand you have to be 18 to own a gun licence.
Yes ...but you must have a licence
It depends on the state law. Each state sets its own rules regarding qualifications for gun permits. Misdemeanors will not usually disqualify you, but again, it depends on the state.
with a class III weapons licence
21, which, incidentally, is the minimum age to own a handgun under federal law. although if you are active duty military and / or have an honorable discharge from the armed services the age limit is waved.
You need a licence for the gun if youre not in the usa, but you can shoot on ur own property
That depends if your state requires a license. Most don't.
You cannot carry a gun in England, indeed you can be arrested on the spot for carrying anything more dangerous than a pen-knife. You also cannot own a gun unless you have obtained a licence to use it for sporting purposes, and you need to be 18 to do this.
In the US, you'll need a federal or state identification card (such as a drivers licence). If you're buying a regular Title I long gun (rifle or shotgun), it's pretty simple. All paperwork you need to fill out is provided by the dealer. If you're buying it in a state other than your own, you may be required to show proof of residence at the address shown on your licence. Handgun purchases vary from state to state. Some states first require you to purchase pistol permits, and some do not. Any gun shop can inform you of any additional requirements in your state.
Most states follow the Federal guidelines for Airsoft ownership. According to Federal law you must be 18 years or older to purhase and own an Airsoft gun in any state. Persons under the age of can purchase and own an Airsoft gun only with parental consent.
18. However, Federal law requires that you be 21 to purchase a handgun from a licensed dealer in any state.
It depends on where you are. In the U.S. you can own a gun in any state without a permit, except that the state of Illinois requires an ID to purchase a gun.