[doorgunner69]

I seem to remember the majority of "assault rifles" did not get registered back during the first fiasco in the 90's.

I was funny as there were reports of cops off duty buying up everything shops had just before the ban. Lots of toys in private collections.

[Sasparilla]

When the deadline for gun owners to register their “assault weapons” in Connecticut expired on December 31, 2013, Connecticut State Police Lt. Paul Vance said he received 41,347 applications to register “assault weapons.
That was out if an estimated 350,000 owned.
By 2015, an estimated 1 million New Yorkers had forgotten to register theirs.