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question::
If asked "are there any firearms in your home?" and you respond "no.", does the fact that you have all the parts to make one within your home- a liar? Does a compmletely disassembled firearm count as a firearm? If not, then clearly someone did not think this through. If so, then most US citizens already do in some shape or form unbeknownst to them...
@lucifargundam are you a 1bit computer or something? If you have the parts from which you can assemble a gun you say "no, but I have the parts", otherwise you are as good as a liar. You may not speak at all, then you'll never be a liar, technically. Be mute, do crimes!
@lucifargundam intent is usually how you solve these things: "are the parts there by coincidence or can we prove you intended to build a weapon?" is probably the question a court would try to answer.