1、CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i Gun Control: 3D-Printed Firearms -name redated- Specialist in Domestic Security and Crime Policy August 7, 2018 In May 2013, Defense Distributed, a federally licensed firearms manufacturer, posted on its website computer a
2、ssisted design (CAD) files for three dimensional-printing (3D-printing) of a single-shot, smoothbore, .380 caliber pistol that could be made almost entirely with non-metallic material. The design of this firearm, the “Liberator,” does not appear to violate the Undetectable Firearms Act of 1988 (18 U
3、.S.C. 922(p), because it includes the requisite amount of steel. This statute prohibits the manufacture, importation, transfer, or possession of any firearm that is not detectable to “walk-through metal detectors” calibrated to detect a security exemplar that resembles a handgun with the same electr
4、omagnetic signature as 3.7 ounces of stainless steel; or includes major components (barrels, slides, cylinders, frames, or receivers) that generate an inaccurate image when inspected with “x-ray machines commonly used at airports.” The Liberators design arguably illustrates a possible shortcoming in
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