While federal law does not require a license to possess a firearm, many states have implemented their own rigorous requirements:
: Those convicted of a misdemeanor crime of domestic violence or subject to certain protective orders. 3. State-Level Variations
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: Some states impose a mandatory "cooling off" period (often 3 to 10 days) between the purchase and the physical transfer of the firearm to allow for more thorough background checks.
Under federal law, several categories of individuals are permanently or temporarily barred from purchasing or possessing firearms: