I do worry that too many of Europe's armories have been cleared of useful "mothballed" military firearms (older designs, but still serviceable). Many of Austria's StG-58 rifles (metric FN-FAL variant) were sold as parts kits (with chopped receivers) here in the U.S. fifteen years ago. I know, I brought a few back to life.
Ah, well... I probably worry too much. Germany re-armed on the sly once before - and pretty quickly, too.