r/canadaguns • u/Mountain-Badger-4627 • Mar 14 '26

Application / Regulation advice Legalities to 3d print firearm parts

In Canada, what firearm-related things are legal to 3D print? I know receivers are illegal to print, but what about things like chassis and stocks?

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u/Sunray21A Mar 15 '26

Perhaps printers have gotten better over the years, but at one competition I went to a few people had mag couplers so they could flip them around jungle style.

Guy loads a full mag on a closed bolt, the coupler that replaced the mag baseplate broke, ammo and spring dump out the bottom. I point this out, the load another mag, same thing.

Same issue down the line with another person using them.

I think we ended up loaning them some Pmags so they could actually shoot.

They looked pretty bummed someone was selling the couplers online for $15 a pop and they couldn't last one insertion.

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u/outline8668 Mar 17 '26

It really depends on the design, materials used and the environment it's used in. I have thousands of rounds on a 3D printed stock I made and zero issues. However fine parts with locking tabs and that sort of thing that have to handle a load have a tough time surviving.