The Bullet That Could Solve 3-D Printed Guns’ Reliability Problem
As 3-D printed guns have evolved over the past 18 months from a science-fictional experiment into a subculture, they’ve faced a fundamental limitation: Cheap plastic isn’t the best material to contain an explosive blast. Now an amateur gunsmith has instead found a way to transfer that stress to a component that’s actually made of metal — the ammunition.

November 5, 2014 at 01:46PM
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