Geez. Of course, there's an exemption to the exemption. Pen guns are responsible for school shootings, terrorism, etc. And school shooting perpetrators and terrorists insist on only using legally-owned, NFA-registered weapons so if you deny them access to the NFA, they'll certainly not commit their heinous crimes.
Anyway, ok, no pen guns. But the other stuff is cool. And it's something you could build yourself.
I will spit whenever I hear the word Libertarian from now on.
In the 2016 election, Libertarian voters threw the swing states of Nevada, Colorado, New Mexico, Minnesota, New Hampshire, and Maine to Hillary, for a total of 38 electoral college votes. Hillary would have created a permanent a permanent entitlement class and permanent Democratic control over the US.