There are 190,000 privately-owned full-auto guns in the National Registry.

...It is statistically irrefutable that those American cities with stringent gun control (e.g. N.Y.C., D.C., Chicago, L.A.) have higher crime rates. It is also irrefutable that those 31 states which have made conceal carry of handguns easy for law-abiding citizens have correspondingly enjoyed significant drops in their crime rates.

...Registering guns is like sending a list of your household valuables to a burglars' guild. Why invite - guarantee - a visit.?

When they come for your guns, give them the ammo first.