Giffords Law Center to Prevent Gun Violence maintains the most comprehensive compilation of information on US firearms regulation, including in-depth summaries of federal, state, and local firearms laws and policies.

Our legal experts track information on various topics such as assault weapons and machine guns, where you can carry a gun, background checks, domestic violence restrictions, and mental health reporting.

Browse our policy pages below to find the laws on the books in your state or use our 50-state comparisons to see the trends in gun laws across the nation.