There are no set laws for paintball in states, there are however country laws. Usually they are more towards common sense. If you are located in a rural area, away from the public, you are more then welcome to shoot paintballs. Though if you live in an urban area, this could pose a problem seeing as you are near the public with lack of protection for them.
The Australian Book of Laws
No There is not
It depends on the laws of your area.
It depends on where your backyard is. If it's your backyard and you are in a rural area, you should be OK. But if you are in a less rural area, there may be laws against discharging projectile weapons like BB guns, arrows, and paintball guns.
it would be unwise to have paintball loaded and the gas tank in. If would give the wrong impression if cops stopped you. But there are no laws stating you can't, as long as you are over 18.
Not in general but if u get caught u probably get in trouble.
You must be 18 to purchase paintball equipment.
One can find discounted paintball accessories from Just Paintball, Paintballing, Discount Paintball, Zephyr Paintball, Outpost Paintball, Paintball UK and Armed Paintball stores.
No. National forests are protected by federal laws and regulations. If caught, you will be prosecuted and fined heavily.
Popular paintball stores in the US offering discounted paintball equipment include Paintball Discounters, Paintball Online, Discount Paintball, and Zephyr Paintball. Inexpensive paintball equipment can be found secondhand on websites such as Amazon and eBay.
There are no laws concerning paintball in your backyard or other private land, however most commercial fields will have an age requirement, usually between 10 and 12.
The purpose of a paintball gun is to fire paintball pellets, to mark opponents in the game of paintball.