That’s why Obama wants to hoard the ammunition. IMHO.
But yeah, you’re right. They may get more than they bargained for. Unless they use WMD’s to kill large masses of people. Biological and chemical. Those could come in through our southern border, with the help of the Islamists’ drug cartel allies, who are being armed with military-grade weapons by our own government...
A few months back, I went with a friend who was getting ready for a camping trip over to a local Cabelias at the time to get anti-bug netting. Saw from a short distance the gun shop section and yes, it had not only guns for hunting, but plenty of ammo too.