by: Kendra Nichols Posted: Sep 7, 2018 / 05:33 AM EDT Updated: Sep 7, 2018 / 01:53 PM EDT Ghost guns are built by hand. They have no serial number, no background check is needed, and it’s legal.

Ghost gun parts can be used to fabricate a handgun or even an AR-15. The parts are widely available across the country in stores and online.