I have a few AR's, I will keep them unless offered a "stupid" amount for them. I like to think each has it's own purpose... LOL
If they did the NFA registration, IF, I would think that they would not charge current owners to register. Only after a certain date would it require a transfer tax stamp... Just my opinion.
" The strongest reason for the people to retain the right to
keep and bear arms is, as a last resort, to protect
themselves against tyranny in Government...." - Thomas Jefferson