hpa tank question

[spyderpilotacs05]

i bought a pure energy hpa 72/3000 tank. i have yet to fill it but when i picked it up the first time i herd a light clanking noise coming from where you screw it on the gut is this ok or should i send it back

[Jegger24]

It is okay....once there is pressure in the fill nipple, it will go away.

[spyderpilotacs05]

sweet thanks!