re: #123 danarchy
There was a gun hobbyist who printed several parts of a gun out of ABS plastic and then used a conversion kit to assemble a working gun. I don’t think a fully printed gun has been done yet, some parts probably aren’t feasible like springs and such, but it is certainly possible to get an off the records firearm this way.
That doesn’t change the point that guns will soon be easy to make at home.