Turns out I was wrong (crow tastes good) and it was mostly a timing issue. The pump arm and ram still need shortening, but the cocking rod has been adjusted and the gun recocks fine now. Still not sure what lug is in there. You were also correct in that the ram leak was fixed with some thread sealer on the front barb.
I say mostly timing because I still need 3-way seals. They work unless they get really cold.
The pump arm is secured with loctite or something. Will probably have to take it off the front end to better break is loose. The gun cycles fine now, but I'd like to bolt to not go so far back as to prevent "rollbacks" or double feeds.