For starters, my recommendation is to stop using the language of the gun banners... "

guns." Surely the folks here don't use the similar term, "assault weapons" - another political fabrication designed to influence and frighten the muggles and leverage that fear to advance the anti-2A agenda.
They are PMFs or Privately Made Firearms, which have been legal since the birth of this nation.
Please stop using their slanted misappropriation of terminology. It only helps them.