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Police warn of 3D-printed guns looking like 'toys' | Winnipeg Free Press
(www.winnipegfreepress.com)
this post was submitted on 11 Jul 2023
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Afaik, only the receiver can be printed out and still function. Not an expert by any means though.
No. With proper printing techniques and good filament you can print the entire gun sans the sear, firing pin, springs & barrel
How does the chamber last? I can't imagine that it would last more than a couple shots, even if using a small calibre and special filament.
Also, how does the firing pin make a spark if it's made out of plastic?
You print them in carbon fibre or a metal polymer alloy, the barrel, sear and pin are all metal. Many modern firearms are injection Molded polymers, the only difference with 3d printed guns is the structural rigidity of the frame due to the layer lines
So the parts that need to be all metal can't be printed at home then. I've never heard of a consumer level laser metal sintering machine.