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New bullet makes 3-D printed guns more reliable

New bullet makes 3-D printed guns more reliable
Photo courtesy of Shutterstock

A while back I told you about the rise of homemade guns, from 3-D printed plastic handguns all the way to machined AR-15 rifles. If you haven't been following it, it's a fascinating topic and one that's causing a lot of controversy. However, I'm just going to stick to the technical part of the story and leave the politics aside.

One of the problems with 3-D printed plastic guns is reliability. A printed gun is only good for a limited number of shots before it falls apart.

Enthusiasts have been working on ways to strengthen the gun's chamber with various materials and printing patterns. Still, plastic just isn't the best material to deal with exploding ammunition.

A gentleman by the name of Michael Crumling has decided to tackle the problem from a different direction. Instead of trying to improve the gun design, he's come up with a different style of bullet.

Using this bullet, he shot 19 rounds from a plastic gun - most printed guns only handle up to 10, if even that many - and the gun is still in pristine condition. So, what's his secret?

Next page: The secret
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