So, that would mean that if any Federal semi-auto ban passes, and the FFA were in place, in theory, someone in Nebraska could build and sell semi autos that would otherwise be banned???
What about BATF regulations, federal excise tax, background checks, NFA items, etc.......
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After some more thinking, it would most likely be challenged by the Fed Govt (if it hasn't been started already) and taken to the Supreme Court- the sooner the better. If some conservative judges retire, Obama has some liberals ready to go...