<P> In addition to federal and state gun laws some local governments have their own laws that regulate firearms . The right to keep and bear arms is protected by the Second Amendment to the United States Constitution . However, mass shootings in the U.S., especially since 2011, have led to public debate about gun control laws in the U.S., since nearly all school shootings have been carried out using pistols and shotguns . </P> <P> Most federal gun laws are found in the following acts: </P> <Ul> <Li> National Firearms Act ("NFA") (1934): Taxes the manufacture and transfer of, and mandates the registration of Title II weapons such as machine guns, short - barreled rifles and shotguns, heavy weapons, explosive ordnance, silencers, and disguised or improvised firearms . </Li> <Li> Federal Firearms Act of 1938 ("FFA"): Requires that gun manufacturers, importers, and persons in the business of selling firearms have a Federal Firearms License (FFL). Prohibits the transfer of firearms to certain classes of persons, such as convicted felons . </Li> <Li> Omnibus Crime Control and Safe Streets Act of 1968 (1968): Prohibited interstate trade in handguns, increased the minimum age to 21 for buying handguns . </Li> <Li> Gun Control Act of 1968 ("GCA"): Focuses primarily on regulating interstate commerce in firearms by generally prohibiting interstate firearms transfers except among licensed manufacturers, dealers and importers . </Li> <Li> Firearm Owners Protection Act ("FOPA") (1986): Revised and partially repealed the Gun Control Act of 1968 . Prohibited the sale to civilians of automatic firearms manufactured after the date of the law's passage . Required ATF approval of transfers of automatic firearms . </Li> <Li> Undetectable Firearms Act (1988): Effectively criminalizes, with a few exceptions, the manufacture, importation, sale, shipment, delivery, possession, transfer, or receipt of firearms with less than 3.7 oz of metal content . </Li> <Li> Gun - Free School Zones Act (1990): Prohibits unauthorized individuals from knowingly possessing a firearm at a place that the individual knows, or has reasonable cause to believe, is a school zone . </Li> <Li> Brady Handgun Violence Prevention Act (1993): Requires background checks on most firearm purchasers, depending on seller and venue . </Li> <Li> Federal Assault Weapons Ban (1994--2004): Banned semiautomatics that looked like assault weapons and large capacity ammunition feeding devices . The law expired in 2004 . </Li> <Li> Law Enforcement Officers Safety Act (2004): Granted law enforcement officers and former law enforcement officers the right to carry a concealed firearm in any jurisdiction in the United States, regardless of state or local laws, with certain exceptions . </Li> <Li> Protection of Lawful Commerce in Arms Act (2005): Prevent firearms manufacturers and licensed dealers from being held liable for negligence when crimes have been committed with their products . </Li> </Ul> <Li> National Firearms Act ("NFA") (1934): Taxes the manufacture and transfer of, and mandates the registration of Title II weapons such as machine guns, short - barreled rifles and shotguns, heavy weapons, explosive ordnance, silencers, and disguised or improvised firearms . </Li>

What are the federal gun laws in the us
find me the text answering this question