or the past few years, I have wondered how the Immortal Air claim that their regulators can get up to 30% more shots stacks up. Sooo I tested…To do the test I did the following. -Got two new regulators – Ninja Standard and Immortal Air Aura both set at 550 PSI output press. – Used a Bob Long G6R that was just serviced – Shot Valken Graffiti with slight underbore of .682 with Freak barrel…