[Video] New Ammunition Made Specifically for 3D Printed Guns to Increase Durability
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It’s incredibly amazing how quickly the 3D printed firearm community has come in such a short amount of time.
We went from single shot, not very durable, plastic firearms to full on 3D printed metal firearms very quickly (granted the metal variety requires industrial grade equipment).
One of the biggest problems with the cheap, plastic 3D printed guns being made by people around the world with inexpensive 3D printers is that they aren’t designed to handle a high number of rounds before the plastic barrels start to break.
Of course, you could always use a metal component for the barrel, and that has been done. However, there is still some allure attached to the 100% plastic gun.
With a modification to traditional ammo design, one hobbyist might just change that. According to Wired:
Michael Crumling, a 25-year-old machinist from York, Pennsylvania, has developed a round designed specifically to be fired from 3-D printed guns. His ammunition uses a thicker steel shell with a lead bullet inserted an inch inside, deep enough that the shell can contain the explosion of the round’s gunpowder instead of transferring that force to the plastic body or barrel of the gun. Crumling says that allows a home-printed firearm made from even the cheapest materials to be fired again and again without cracking or deformation. And while his design isn’t easily replicated because the rounds must be individually machined for now, it may represent another step towards durable, practical, printed guns—even semi-automatic ones.
The 3-D printable blueprint of Michael Crumling’s test gun, with his specially designed ammunition round shown in darker grey. Michael Crumling
“It’s a really simple concept: It’s kind of a barrel integrated into the shell, so to speak,” says Crumling. “Basically it removes all the stresses and pressures from the 3-D printed parts. You should be able to fire an unlimited number of shots through the gun without replacing any parts other than the shell.”