this post was submitted on 07 Jul 2026
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Not a major problem AND going after 3D printing doesn't actually solve the problem - the core components that make a gun a gun, such as the barrel, firing pin, etc., still need to be manufactured in the "traditional" way (unless you're trying to make a single use, one shot gun, but even that has better alternatives than 3D printing).
As it's been pointed out above, the pieces of equipment - lathes, mills, CNC machines - required to make the aforementioned parts require no licencing, no safety mechanisms to prevent gun part manufacturing.
The CA law includes all manufacturing machines that take sets of instructions, if I'm not mistaken
You don't even need a CNC machine. Basic hand tools and some pipe are enough to make a zip gun.
A lathe takes no instructions and is potentially the most useful tool of all listed for the purposes of making a gun.