No. most guns are .68 caliber, however there are some .50 and .43 caliber markers and pistols.
No, you need the correct size for the correct part.
The paintball gun does not use any parts that have not been make in other industries before.
Yes, you can use any size tank
No. Nothing dissolves in the process of a paintball gun firing.
I have both and honsetly i use the paintball gun more =)
depends on how you use it
No, you will not be allowed.
Any gun with a High Pressure System (which is basically all of them) can use this tank.
There is no paintball gun that runs on only 200 psi.
Paintball gun. You can see where you hit your target. I disagree, if you are looking for a more realistic looking weopon then use an airsoft gun
It depends on the gun, but "both" is an acceptable answer.
No. A paintball gun is not considered a fire arm anywhere because it does not use an explosion to propel a metal object.