GFL; the compliance rate will be less than 5%.
But the problem is, when it comes to almost any 2A supporter, they will have a "put 'em into jail free card." They can do shake downs on anyone they need to, whenever they want. Just keep making examples here and there and they will drive the guns deeper and deeper underground.
They have a plan - and a new acronym for that... We're all going to be, "D. T. E.'s" from here on now. (Domestic Terrorist Extremists)
Using the Capitol riot as a pretense, the Left and Big Tech are declaring war on their political enemies.