United States. Under U.S. federal law, the creation and possession of firearms for non-commercial purposes has always been legal. In contrast, firearms for sale or distribution require a federal license for their manufacture, and must bear unique serial numbers.

What states are ghost guns legal?

Currently, ghost guns are legal in California, but Assembly Bill 1057 would legally define these weapons under state red-flag gun laws that allow courts to temporarily restrict gun access to dangerous individuals. While this would not fully ban ghost guns, it would limit the availability of these devices.

What exactly is a ghost gun?

Ghost guns are unregulated firearms that anyone — including minors and prohibited purchasers — can buy and build without a background check. Ghost guns are unserialized and untraceable firearms that can be bought online and assembled at home.