Hoping someone can give me some insight here. I just acquired a pre-95 Oceanic balanced piston 1st stage, but the LP turrent area is different than the other 3 that I have. Specifically, there is a plug in the bottom of the LP area. I was wondering if this is legit, or is the turret from a different 1st stage. The one is question is on the left in the photos. It came with an Omega II second stage. Has anyone ever seen this before on an Oceanic pre-95 BP 1st stage?