Question: what are the gun laws in all 50 states

title: Gun laws in the United States by state
text: Subject / Law Long guns Handguns Relevant Statutes Notes State permit required to purchase ? Yes Yes Firearm registration ? Yes Yes HRS 0134 - 0002 , HRS 0134 - 0003 Must be registered with county police chief within 5 days of purchase or arrival to Hawaii . Registration not required for black powder and pre-1899 firearms . Assault weapon law ? No Yes Law bans assault pistols with two or more banned features . Does not apply to rifles or shotguns with a barrel length greater than 16 inches Magazine capacity restriction ? No Yes HRS134 - 8 ( c ) HRS134 - 11 ( 3 ) Any magazine with a capacity of more than 10 rounds that can be inserted into a pistol is prohibited . Members of organizations are exempt from the pistol magazine limit at places of target shooting . Owner license required ? No No No license required to own any firearms in Hawaii , but all firearms , including those brought into the state by new residents , must be registered . Carry permits required ? No Yes HRS 0134 - 0009 May - Issue by statute , but No - Issue in practice . The chief of police may grant a permit `` in an exceptional case , when an applicant shows reason to fear injury to the applicant 's person or property . '' In practice , Hawaii is `` No - Issue , '' as issuing authorities rarely or never approve applications for permits . In March 2014 , the 9th Circuit US Court of Appeals has ruled Hawaii 's restrictive concealed carry policy unconstitutional . An en banc panel reversed the initial ruling in June 2015 , holding that the Constitution guarantees no right to concealed carry in public . Open carry ? Yes Yes By law , Hawaii is a Licensed Open Carry State , but since licenses are rarely issued , the state is Non-Permissive for open carry in practice . The chief of police may grant a permit `` Where the urgency or the need has been sufficiently indicated '' provided that the person `` is engaged in the protection of life and property . '' In practice , Hawaii is `` No - Issue , '' as issuing authorities rarely or never approve applications for permits . On July 24 , 2018 , the Ninth Circuit Court of Appeals ruled that Hawaii 's laws restricting open carry are unconstitutional . No laws against open carrying long guns . State preemption of local restrictions ? Yes Yes Municipalities may enact and enforce local regulations only if they are identical to , and provide the same penalty as , state law . NFA weapons restricted ? Yes Yes Machine guns , short barreled rifles , short barreled shotguns , and silencers / suppressors are prohibited from the average citizen . Certain Destructive Devices and AOWs are allowed with proper tax stamp and NFA paperwork from the ATF . Peaceable journey laws ? No No None Federal laws observed . Background checks required for private sales ? Yes Yes HRS § 134 - 2 A person who wants to purchase a handgun or long gun must obtain a permit to acquire the ownership of a firearm , which requires a background check of the applicant .