Gun control, to the extent that the current gun control advocates want it, used to be somewhat feasible. Only so many machine shops could produce quality gun parts, and the cost of setting up such a shop was prohibitive for criminals and political dissidents. But now, with a fully functioning AR-15 lower capable of being created on a homemade 3D printer, the genie is out of the bottle. And since nothing is being bought or sold, it appears to be completely outside the scope of any interstate commerce considerations. If you ask me this is going to get very interesting, very quickly. If you want a copy of the digital files for the gun, click here.