A new YouTube video shows the first 3D-printed rifle, born and bred in Canada, taking its first round and then cracking along the barrel and receiver.
A popular clip from the group known as Defense Distributed is taken down, only to reappear later in the day.
Self-printed guns aren't the only firearms altering the weapons landscape. Also out there: Precision rifles with high-tech scopes and auto-firing triggers, and iPhone adapters and apps that offer custom crosshairs.
Legislators vote to renew an expiring ban on plastic firearms that are able to slip past metal detectors and X-ray machines.
While firing a round with earlier plastic models of 3D-printed guns has proven difficult, this metal model has already shot 50 rounds successfully.
Hit a target at 1,000 yards? No problem. Tracking Point's computer-enabled rifles let novices shoot moving targets at extreme distances with near 100 percent accuracy. The new era of firearms is upon us.
They might come for your plastic gun, but they're not coming for your 3D printer just yet.
If you're looking for a free first-person shooter, look no further. Dead Trigger is top-notch.
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Citing its Terms of Service, MakerBot has removed designs for AR15 and other weapon components from its 3D printing file library.
Consumer-level 3D printing could change guns and gun control as we know them. So how soon are we likely to see 3D-printed plastic firearms? And what are the legal issues? CNET's Rich Brown sights in on the DIY gun movement.