: A national index of criminal history records.
: Records specifically related to firearms prohibitions that might not be in the other two databases (e.g., mental health adjudications). background check before buying a gun
: You must fill out ATF Form 4473 , which asks 16 questions about your background, including criminal history, drug use, and mental health. : A national index of criminal history records
: Further investigation is needed. If no determination is made within three business days , the dealer may (but is not required to) transfer the firearm, unless state law says otherwise. Common Prohibitions including criminal history
Unlawful users of or those addicted to controlled substances.
