This is a well documented Everytown campaign, you can't blame this one on firearms manufacturers.

Often, different groups align on certain issues. The one that actually causes the change to happen is the one with the most clout.

	▲	some_random 2 days ago \| parent [-]
		Look, the firearms industry has worked in the past to ban competitors but I really don't think they see 3d printed firearms as competitors. The market there is tiny. Meanwhile Everytown is a gun control organization that wants to ban all guns everywhere and again, is documented to be the one behind this push.