If there ever IS another Amnesty, be sure to saw off a shotgun’s barrel or barrels, and register that. Everyone can use a “shorty” in a pinch! Maybe have one 12”, one 18”, one 22” and one 28” barrel for the same pump shotgun! Another option: find and buy any semi-auto firearm that fires from an OPEN BOLT. Then, easily convert it to FULL AUTO and register the result! Trivial job!
You can buy a short shotgun now as long as it doesn’t have a couple of features the gungrabbers don’t like.