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Maker Of 3-D Printer Guns Now Has Federal Firearms License

This AR-15 rifle's lower receiver (in soft green color) was produced with a 3-D printer. The 3-D printing industry has criticized the use of the technology for gun part making. (Courtesy of Defense Distributed Dev Blog)
This AR-15 rifle's lower receiver (in soft green color) was produced with a 3-D printer. The 3-D printing industry has criticized the use of the technology for gun part making. (Courtesy of Defense Distributed Dev Blog)

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