Originally Posted by russc
It would be nice if someone could make a small adjustable pressure relief module that would screw in between the ASA and the regulator. Kind of like how old Impulses had the relief valve on their VA, but adjustable to whatever pressure you want like on Tiberius guns. That would allow you to use any reg with co2 as long as its seals could handle the cold, and protect against over-pressurizing.
I thought the non-adjustable version of that was called "macroline".