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I had been rocking the mk10 turret in the up position, but after recently having this serviced at a new shop it was returned in the turret down position. So my question for all you mk10 owners is up or down?
My Atomic M1 is the same kind of design. I used to dive my Atomic M1 (now delegated to a stage) with a single tank and wing, and to get it to work facing down, I had to twist the barrel slightly off center. I'd use the bottom LP port for my primary hose. Still, the wing would inflate into the 1st stage when fully inflated, so I know what you're saying.I have seen wings that make it impossible to route hoses properly with the barrel in the down position.