The MP 72's are new. The old steels I am referring to were 2250psi tanks. I had a pair with the miraculous J-valves back in the mid-60s that I was happy enough just to get any pressure in them.
I never knew how much air was in them since no one I knew had an SPG then. My Calypso regulator had a cool stem valve that indicated the pressure.
I too have seen the MP72's listed online, but I have never seen one in the water, so I don't know who is buying them.
I never knew how much air was in them since no one I knew had an SPG then. My Calypso regulator had a cool stem valve that indicated the pressure.
I too have seen the MP72's listed online, but I have never seen one in the water, so I don't know who is buying them.