you need a fast marker a jursey and player pants and a mask
For very low level tournament levels, all you need to do is sign up and show up.
You do not need a firearms lisence for a paintball gun.
There are no permits for paintball guns.
In order to have a wrestling tournament you need some sort of title. Also, people willing to wrestle for the title, add a ring and some fans to cheer you on and there you have it.
You would need zoning permits and insurance to open a paintball field.
There is no limit but you need at least 3 people for a 3v3 match. There are no 2v2 or 1v1 matches except on special tournament occassions as a suprise match. Some teams have 50 people in them but only play 5 at a time or 7 at a time. Some teams are scenario teams and have anywhere from 100 to 1000 members that play about 5 games a year.
you need Co2 to fire any paintball gun, it is what physically moves the ball out of the barrel.
No, all paintball hoppers have a standard neck size.
.291 Newtons and 13.06 joules, enough to need a paintball mask.