Nitro Questions

[Paintball_Kid13]

I was wondering I found a system x 68ci 4500 psi nitro tank and its a screw in tank but it has a male quick disconnect pointing out of the screw in part what is that for im a rookie cant ya tell he he any help is much appreciated

[Predater]

that is for filling the tank.

[Havoc_online]

you might wanna get a fill cover for that to help keep dirt out and to help protect the fill point so you don't have to replace it later.