GT,
good to hear the "bugs are dying".
In spite of all the negative comments about Eugene, I believe we have to say that he has done what others thought impossible- recreated the 1907 .45 luger.
I seem to remember reading that in the US tests that the original Georg Luger supervised 1907 lugers didn't run 100% either.
Mine had some minor bugs too, but then many of the lugers I have bought were finicky about mags, or ammo, or something.
You slow, careful, and methodic efforts to improve are just what it takes.
Well done!