3-D Plastic Printing Technology May Make Gun Detection "Impossible"

By:  Bob Adelmann
3-D Plastic Printing Technology May Make Gun Detection "Impossible"

The Bureau of Alcohol, Tobacco, and Firearms (ATF) said that it will be nearly impossible to detect 3-D printed plastic guns using current tracking technology.

With the imminent expiration of the Undetectable Firearms Act on December 9, the media and federal agencies are ramping up concerns about public safety and black market manufacture of weapons without serial numbers. Huffington Post ran an article warning that “plastic guns” could blow up in the hands of unskilled users and worrying that plastic 3-D printed guns “could evade metal detectors at courthouses, schools and other public places.” The Bureau of Alcohol, Tobacco and Firearms (ATF) told the press on Wednesday that even if the current law is extended or enhanced, it will remain nearly impossible to detect such guns using current tracking technology. Richard Marianos, a spokesman for the ATF, said that his agency’s concern isn’t with common street criminals making weapons in their basements or garages, but with sophisticated assassins:

[This enhanced technology] is something that we've never seen before. It can defeat metal detection, and that’s something we’re concerned about....

This is more for someone who wants to get into an area and perhaps be an assassin. Or they want to go to a courthouse and shoot a witness.

The Undetectable Firearms Act grew out of concerns in the early 1980s that Gaston Glock’s invention of polymer handguns could escape detection, despite substantial metal parts being used in their construction. Never unwilling to miss an opportunity to pass more legislation, congress considered and then passed the Act in October 1988, prohibiting the manufacture, possession, or transfer of firearms with less than 3.7 ounces of metal content. The National Rifle Association supported the bill as it didn't affect existing handguns or their owners. Built into the law was a 10-year sunset clause but the law was renewed in 1998 for five years, and again for ten years in December 2003. That renewal expires on December 9, 2013.

When the ATF shut down Cody Wilson’s website last May, the cat was out of the bag as his 3-D printing software for his “Liberator .380” handgun had already been downloaded more than 100,000 times. Since then, mirror sites such as Pirate Bay have made those plans available for download.

One of those who downloaded Wilson’s plans enhanced them and built a rifle, from which fired 14 rounds successfully. Solid Concepts of California has gone even further, developing and manufacturing what it calls “The World’s First 3D Printed Metal Gun”, mimicking John Browning’s Colt .45, and firing it successfully 500 times without incident. Further enhancements are no doubt being developed elsewhere, outstripping federal attempts to regulate, much less eliminate, the burgeoning flow of 3-D weapons.

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Photo of MakerBot "Replicator 2" 3-D printer

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