I don't think it's a good idea to avoid things just because they might be difficult.
Its not that its difficult, its that most people dont have a mill and it will cost then far more make one.
The reason for suggesting to gun retailers that they consider bitcoin is that gun buyers can find their own bitcoin, and bitcoin buyers can find the gun retailers, and this chain cuts the bank (the "choke-point") out of the loop.
Again, most gun owners dont care about bitcoin and prefer cash. The same reason nearly every merchant that "accepts" BTC turns it in to cash instantly. BTC has fees associated with it, cash doesnt.
It heals the wound being inflicted on the industry by the efforts to suppress gun ownership.
lol, what hyperbole. Using bitcoin isnt going to remove the NFA, GCA or Hughes Amendment.
but it introduces one of the key benefits of bitcoin (no need for trusted third-parties)
Did you read my post? Have you bought guns in the US before? Have you been to a gun show? Cash removes the need 3rd parties.