Add Yahoo as a preferred source to see more of our stories on Google. Known as a "privately made firearm" by the Bureau of Alcohol, Tobacco, Firearms and Explosives, a ghost gun is a firearm, ...

Often called “ghost guns” because they can be hard to trace, these firearms can be either partially or completely made with components that have been produced in metal or plastic on commercially ...

A special agent with the Pennsylvania attorney general’s office demonstrates how to assemble a ghost gun. Built in about an hour, the weapon was fully functional. (NBC News) Police investigating the ...

Homemade firearms are spreading faster than governments can keep up. For many gun designers, that’s the idea. By Thomas Gibbons-Neff Thomas Gibbons-Neff writes about guns and gun culture. He learned ...