[derrherpson]

Ghostguns meant mostly-home-made a few years ago.Typified by 3d printed guns.

Recently (last 3 years) there has been an attempt at redefinition to include 80% guns (80% of work completed before purchase, end user does >60 min of work to complete it) and normal guns with their SN removed.

So now when someone quotes ghostgun numbers, they're mostly talking about normal guns with SN's removed.

[Spivak]

I don't think anyone would really draw a distinction between these two cases as it applies to 3d printers. If the argument is that a tool is now on the market that made what used to be a high-effort activity into a low-effort one where you can now with some YT videos make less traceable guns then honestly, it kinda sucks in a ruining it for the class kinda way, but it actually seems somewhat reasonable to regulate them like firearms. If only so that the police know what doors to knock on if such a gun turns up.