ghost gun

A privately made firearm (also ghost gun or homemade firearm) is a firearm that lacks a commercially-applied serial number, rendering the weapon untraceable. The term is used mostly in the United States by gun control advocates, but it is increasingly being used by gun rights advocates and some in the firearm industry. Because home-manufacture of firearms for personal use is not considered to fall under the U.S. federal government's authority to regulate interstate (as opposed to intrastate) commerce, individuals making their own firearms are not subject to federal or state commercial background check regulations. Persons otherwise prohibited from owning firearms under the Gun Control Act of 1968 are still legally barred from the manufacture, transfer, or possession of firearms or ammunition, regardless of the method of manufacture or acquisition.

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