I think she is letting the cat out of the bag too soon. The dirty little secret is that the gun grabber totalitarians know that when they get “universal background checks,” they will discover they don’t work.
There are millions of guns in the Free States that are not registered with anyone. Maybe a hundred million. A “universal background check” violation can’t be proved if a sale between private parties could have been done before the check is required.
It’s like high capacity magazine bans. The 94 Clinton Gun Act just restricted sale of new magazines. How could anyone prove you had a new magazine with millions of old ones out there?
The non-free states now ban even possession of hi-cap magazines. They learned.
They will “discover” that a universal background check will only be enforceable when there is “universal” registration.
Then the confiscation and genocides begin.
You also forgot to mention the CNC mills/machines, 3D printing, machine shops, etc. that can spit out lowers/frames/magazines
Where there’s $$/black-market vs. want/need/buyer, people WILL find a way.