Only if you own the river and do not hit anyone else's property.
United States
No. It is not okay to discharge toxic, polluting substances into rivers. That would be in violation of state and federal wetlands protection laws. You can't own rivers in the United States. Anything you introduce into the water travels down and affects others along the river's course.
Yes, if you only shoot your property.
Only at a licensed paintball facility, NOT in public.
its not illegal just pretty stupid
To shoot a paintball gun in Roblox, simply point to where you want to shoot at and click the left button of your mouse or trackpad.
At paintball fields, or on your own property.
No. Because, in order for you to shoot them you would have to get their permission to shoot them. If you accidentally shoot somebody inside your backyard without their permission, it is their fault for being in the yard with someone that has a paintball gun and is shooting it in the first place.
If you have the equipment, yes. Although you may want to ask if it's legal.
yes. you can ship a paintball gun anywhere.
Yes you do.
No.
it depends whether under controlled conditions or not, and if you are caught :p
As long as you shoot it on your property at your property.