tanks anyone?

[paintscrub]

this could be the stupidest question ever but i still dont know--> if i wanna use a fixed pressure tank on my xvalved mag do i use a low pressure or a high pressure. does anyone have one im lookin at anything 68 or bigger and it must be a 4500. im also lookin at halo bs if anyone happens to have one layin around

[Dayspring]

High pressure.

this could be the stupidest question ever but i still dont know--> if i wanna use a fixed pressure tank on my xvalved mag do i use a low pressure or a high pressure. does anyone have one im lookin at anything 68 or bigger and it must be a 4500. im also lookin at halo bs if anyone happens to have one layin around