Guy in my shooting club was a plumber in his other life. Called in by a widow for some issue that drew him into the crawlspace where he found the husbands stash. Including a fully functional, unregistered BAR. That may be loony. Or a 2A purist! Twenty rifles the same make in different calibers or vice versa could just be a collector.
-OMotS
"If memory serves fails me..." Quote: ( unnamed) "been prtty deep in the cooler todaay "
Television and radio are most effective when people question little and think even less.