No, they will not both fit unless you have it custom fitted.
No.
No, they are different magazines and will not fit each other. The Mrx holds 10 rounds, the t68 holds 20.
You must get a Spyder threaded one for it to fit.
Autococker threaded.
Its a used gun which has been either cleaned or parts replaced in order to make it fit for resale.
The purpose of a paintball gun is to fire paintball pellets, to mark opponents in the game of paintball.
as long as it is spyder threaded yes
A paintball marker is a paintball gun. It is just called a marker instead of a gun.
No, do not expose your paintball gun to water.
No. The state of Ohio did not invent the paintball gun.
A barrel, but that is about it.