I have always pretty much figured that if it actually came to registration, or heavens forbid, confiscation, that most in the US would roll over. It appears I may be wrong.
According to an article by J.D. Tuccille, world-wide, and even here in the US, defiance of radical gun restrictions are the natural order.
Gun Restrictions Have Always Bred Defiance, Black Markets - Reason.com
A very good article that appears to honestly say that people just won't follow unjust law.