For what that printer cost, you could buy thousands of real 1911s.
The $600k that the metal printer costs is interesting. Why?
Because 15 years ago, that’s what the cheapest polymer/plastic printer cost. Now they are sub-1K.
And in both cases, a ‘printed’ weapon is untraceable. Unlike something made in a machine shop or even at home, there aren’t any incriminating tooling marks.