Federal law requires firearm dealers to report firearms that are lost or stolen from their inventory to local authorities and to the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). But, with the exception of weapons registered under the National Firearms Act, federal law does not require gun owners to report lost or stolen firearms to law enforcement.

Laws requiring that lost and stolen guns be reported to law enforcement are associated with significant reductions in gun trafficking. One study found that these laws reduced traced illegal gun movement by 46% compared to states that do not have such laws. Another study found that mandatory-reporting laws were associated with a 30 percent lower risk that guns would be purchased in that state and recovered after a crime in another state. In addition to other policies to help prevent gun theft, including requiring secure gun storage at home and in vehicles and promoting public awareness of the benefits of secure storage, lawmakers should pass laws to affirmatively require gun owners to report lost or stolen firearms to law enforcement for investigation immediately when they go missing.