Ok, so I purchased another viking. This one has the robtown valve installed. I was told from original owner that it leaked on first gas up but if you flipped the bolt over and gassed up it then flipped it back over it would be fine. Not so much. So I removed everything to inspect and here it is.
By the way, the leak is down the barrel and is extremely bad. Like drained 800 psi in a few seconds. I wanted to check in here to see if anything was missing or incorrect before I reinstalled.