Firearms Law
Gun regulations, permits, ownership
Overview
Firearms law in the United States involves the intersection of the Second Amendment right to bear arms and federal and state regulations on gun ownership, sale, and possession. The Supreme Court's landmark decisions in District of Columbia v. Heller (2008) and New York State Rifle & Pistol Association v. Bruen (2022) established that the Second Amendment protects an individual right to possess firearms and that regulations must be consistent with the nation's historical tradition of firearm regulation.
Federal firearms law is primarily found in the Gun Control Act of 1968 and the National Firearms Act. The Gun Control Act establishes prohibited persons (felons, fugitives, drug users, etc.), requires federal firearms licenses for dealers, and mandates background checks through the National Instant Criminal Background Check System (NICS). The NFA regulates machine guns, short-barreled rifles and shotguns, silencers, and destructive devices.
The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) enforces federal firearms laws, issues dealer licenses, traces firearms used in crimes, and investigates violations.
Key Federal Laws
- •Gun Control Act of 1968 (18 U.S.C. § 921 et seq.)
- •National Firearms Act (26 U.S.C. § 5801 et seq.)
- •Brady Handgun Violence Prevention Act (background checks)
- •Protection of Lawful Commerce in Arms Act (2005)
- •Bipartisan Safer Communities Act (2022)
Key Cases
- •District of Columbia v. Heller (2008) — Individual right to bear arms
- •McDonald v. City of Chicago (2010) — Second Amendment applies to states
- •New York State Rifle & Pistol Assn. v. Bruen (2022) — Concealed carry and historical test
- •United States v. Rahimi (2024) — Domestic violence restraining orders and gun rights
- •Printz v. United States (1997) — Background check commandeering
State Variations
Firearms regulation varies dramatically by state. Some states have constitutional carry (permitless concealed carry) while others require permits with extensive training. Assault weapon bans exist in about 10 states. Red flag laws (extreme risk protection orders) are enacted in roughly 20 states. States differ on open carry, magazine capacity limits, waiting periods, universal background checks, and preemption of local gun ordinances.
Frequently Asked Questions
Who is prohibited from owning a firearm under federal law?
Under 18 U.S.C. § 922(g), prohibited persons include convicted felons, fugitives from justice, unlawful users of controlled substances, persons adjudicated as mentally defective, illegal aliens, those dishonorably discharged from the military, persons who have renounced U.S. citizenship, persons subject to certain restraining orders, and those convicted of misdemeanor domestic violence.
Do I need a background check to buy a gun?
Under federal law, licensed dealers must conduct a NICS background check before transferring a firearm. However, federal law does not require background checks for private sales between individuals (the 'gun show loophole'). Approximately 20 states have enacted universal background check laws requiring checks for all sales, while others only require them for handguns or have no additional requirements beyond federal law.
Related Laws & Statutes
Unlawful Carrying Weapons – Permitless Carry (HB 1927)
Texas allows anyone 21 or older to carry a handgun, openly or concealed, without a permit — as long as they are not prohibited from possessing firearms by law (e.g., felons, domestic violence offenders).
NY SAFE Act – Firearms Regulations
New York bans assault weapons and high-capacity magazines (more than 10 rounds). The law requires background checks for all gun sales, including private sales, and mandates mental health reporting.
Home Protection; Use or Threatened Use of Deadly Force (Stand Your Ground)
In Florida, you have no legal obligation to retreat before using force, including deadly force, if you reasonably believe it's necessary to prevent death, serious injury, or a forcible felony. This applies in your home, vehicle, or any place you have a right to be.
Compare Firearms Law Across States
See how different states handle firearms law side by side.
Compare States