Glider
Captain
Magister
You should remember that in the UK we used to be able to own semi auto rifles and handguns. The rules were a lot stricter than yours, but it could be done.
Semi Auto rifles took less than 6 months to get banned and collected. Handguns are now banned and that took about 6 months to be implemented and collected.
If a government wants to act quickly it can. I wouldn't do anything if I was you to put your freedoms at risk even if the chances are very small.
You should remember that in the UK we used to be able to own semi auto rifles and handguns. The rules were a lot stricter than yours, but it could be done.
Semi Auto rifles took less than 6 months to get banned and collected. Handguns are now banned and that took about 6 months to be implemented and collected.
If a government wants to act quickly it can. I wouldn't do anything if I was you to put your freedoms at risk even if the chances are very small.