Federal prosecutors say a 27-year-old Northland man allegedly used a 3D printer to illegally manufacture hundreds of machine ...

Johnston, 27, was charged with three counts of possessing machine guns in reference to 3D-printed machine gun conversion ...

Glocks are now favored by criminals because they can be upgraded into fully automatic weapons, according to a new report.

The shooting, which left four dead and 17 injured, is just the latest spurt of mass violence made possible by the small 3D-printed part known as a “conversion device,” “Glock switch” or “auto sear.” ...