Thanks VVulf for the insight.

Another question for you as you've mentioned the AKA Sidewinder, I've done countless searches on this particular Regulator and have only seen ones that go up to 500 psi max. I'm running a HP setup and was told I needed at least 700 psi to operate my A5 properly. Or could I run it at 500 psi and use a harder spring to compensate for the lower pressure?