That screw was all the way up, hadn't been moved since the phosphate was applied.  Norwegian workers leaving the Nazis a long two stage pull on purpose?  It's fully single stage now.  A bit heavier than what I like.  A little movement before it comes off the sear.  It feels like I'm about at the end of the adjustment, needs a little oil to soak in.

WD did its thing, I was able to adjust to the point that the sear lets the striker go a milisec after I close the bolt!