Binary Trigger Legal States 2025

Legal
Banned
16
State
Binary Trigger Legality
Other Banned Guns & Ammo
Alaska Flag
AlaskaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Arizona Flag
ArizonaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Arkansas Flag
ArkansasLegal
  • Machine guns and short-barreled rifles.
Colorado Flag
ColoradoLegal
  • Machine gun, Magazines holding more than 15 rounds
Georgia Flag
GeorgiaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Idaho Flag
IdahoLegal
  • Free state with no major restrictions on guns, ammo or parts
Indiana Flag
IndianaLegal
  • Armor-piercing unless the person manufactures, sells, or delivers it for the use of the United States, a department or agency of the United States, a state, a law enforcement agency, a department, agency, or political subdivision of a state, for export, for the purpose of testing or experimentation, or if the person is a law enforcement officer acting in the course of their official duties.
Kansas Flag
KansasLegal
  • Setting spring guns, Possessing, manufacturing, causing to be manufactured, selling, offering for sale, lending, purchasing or giving away any cartridge that can be fired by a handgun and has a plastic-coated bullet that has a core of less than 60% lead by weight, whether the person knows or has reason to know that the plastic-coated bullet has a core of less than 60% lead by weight
Kentucky Flag
KentuckyLegal
  • Selling armor-piercing ammo
Louisiana Flag
LouisianaLegal
  • Machine guns (with certain exceptions), armor-piercing ammo
Maine Flag
MaineLegal
  • Armor-piercing ammo, except as part of a collection
Massachusetts Flag
MassachusettsLegal
  • Assault weapon (ban list, includes revolving-cylinder shotguns), Large-capacity feeding device, Covert weapons, Silencers
Michigan Flag
MichiganLegal
  • Pistols greater than 26” in length are prohibited unless the person registered the firearm as a pistol before January 1, 2013, or has maintained registration since then without lapse, Machine guns, Spring guns, Armor-piercing ammo, unless you are a licensed dealer
Mississippi Flag
MississippiLegal
  • Free state with no major restrictions on guns, ammo or parts.
Missouri Flag
MissouriLegal
  • Explosive weapons, A bullet or projectile that explodes or detonates upon impact because of an independent explosive charge after having been shot from a firearm, Flashbangs
Montana Flag
MontanaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Nebraska Flag
NebraskaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Nevada Flag
NevadaLegal
  • Metal-penetrating bullets that can be used in a handgun
New Hampshire Flag
New HampshireLegal
  • Free state with no major restrictions on guns, ammo or parts.
New Mexico Flag
New MexicoLegal
  • Free state with no major restrictions on guns, ammo or parts.
North Carolina Flag
North CarolinaLegal
  • Teflon-coated ammo
North Dakota Flag
North DakotaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Ohio Flag
OhioLegal
  • Free state with no major restrictions on guns, ammo or parts.
  • A permit is necessary to possess “dangerous ordnance:” any automatic or short-barreled firearm, zip guns, suppressors or parts to convert a firearm into a dangerous ordnance.
Oklahoma Flag
OklahomaLegal
  • Restricted bullets: a round or elongated missile with a core of less than 60% lead and having a fluorocarbon coating, which is designed to travel at a high velocity and is capable of penetrating body armor.
Oregon Flag
OregonLegal
  • Free state with no major restrictions on guns, ammo or parts.
  • While the state is mostly free of major firearm restrictions, certain cities and towns may have strict guidelines and prohibitions.
Pennsylvania Flag
PennsylvaniaLegal
  • “Offensive weapons” are a first-degree misdemeanor. Machine guns, silencers and short-barrel long guns are also “offensive weapons,” but have an exception (that the other items are not afforded) for their lawful use if they are NFA registered.
South Carolina Flag
South CarolinaLegal
  • Teflon-coated ammo
South Dakota Flag
South DakotaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Tennessee Flag
TennesseeLegal
  • Explosive ammo
Texas Flag
TexasLegal
  • Zip guns, Armor-piercing handgun ammo (specifically listed as “ammo meant to be used in pistols and revolvers”)
Utah Flag
UtahLegal
  • Free state with no major restrictions on guns, ammo or parts.
Vermont Flag
VermontLegal
  • Zip guns, “Large-capacity ammunition feeding devices” (click here to learn more about this ban and the dates associated with it)
West Virginia Flag
West VirginiaLegal
  • Free state with no major restrictions on guns, ammo or parts.
Wisconsin Flag
WisconsinLegal
  • Free state with no major restrictions on guns, ammo or parts.
Wyoming Flag
WyomingLegal
  • Free state with no major restrictions on guns, ammo or parts.
Alabama Flag
AlabamaBanned
  • Brass or steel Teflon-coated handgun ammo, unless designed to expand on contact.
California Flag
CaliforniaBanned
  • Fixed ammo (other than a caliber greater than 0.60), Cane guns, Wallet guns, Undetectable firearms, Flechette darts, Bullets containing or carrying an explosive agent, Armor-piercing ammo, Unconventional pistols, Multi-trigger activators, Assault weapons, SKS rifles made to use AK magazines, Magazines holding more than 10 rounds, and more
  • Check with California authorities for the full list.
Connecticut Flag
ConnecticutBanned
  • Assault weapons except for Olympic pistols, any semi-automatic, centerfire rifle with a detachable magazine, Armor-piercing ammo, Incendiary .50-caliber ammo, Short-barrel shotguns, Magazines holding more than 10 rounds
  • Silencers are legal with the proper paperwork. Silencers are not allowed for hunting
  • Check with Colorado authorities for the full list.
Delaware Flag
DelawareBanned
  • Silencers (exemptions for wildlife biologists who have special permits), Short-barrel shotguns, Machine guns, Trigger cranks
District of Columbia Flag
District of ColumbiaBanned
Florida Flag
FloridaBanned
  • Armor-piercing or exploding ammo, Dragon’s breath shotgun shells, bolo shells or flechette shells, Bump stocks and binary triggers
Hawaii Flag
HawaiiBanned
  • Assault pistols, Automatic firearms, Rifles with barrel lengths less than 16 inches, Shotguns with barrel lengths less than 18 inches, Cannons, Mufflers, Silencers, Teflon-coated ammo, Multi-burst trigger activators, Trigger cranks, Magazines holding more than 10 rounds
  • Check with Hawaii authorities for the full list.
Illinois Flag
IllinoisBanned
  • Machine guns, Silencers, Explosive bullet, Firearms with a low melting point or non-ferrous material, Any rifle having one or more barrels less than 16 inches in length, Any weapon made from a rifle or shotgun, Armor-piercing bullets
  • Check with Illinois authorities for the full list.
Iowa Flag
IowaBanned
  • Machine gun, Short-barreled rifles or shotguns, Any weapon other than a shotgun or muzzle-loading rifle, cannon, pistol, revolver, or musket, which fires or can be made to fire a projectile by the explosion of a propellant charge which has a barrel of more than six-tenths of an inch in diameter, any bullet containing any explosive mixture capable of exploding upon impact, Suppressors
  • Check with Iowa authorities for the full list.
Maryland Flag
MarylandBanned
  • Assault weapons, Possession of restricted ammunition is prohibited if it contains explosive or incendiary material designed for use in a firearm or has a core made of materials such as tungsten alloys, steel, iron, brass, beryllium copper, depleted uranium, or any equivalent material of similar density or hardness, and more
  • Maryland is strict with its approved firearms list, so if a manufacturer changes the model number for any reason (even if it's just a change in color), the firearm is banned until it’s added back to the approved list, and it's important to check with the appropriate authorities for the full list.
Minnesota Flag
MinnesotaBanned
  • Set guns/swivel guns, spring guns, Machine guns, unless licensed dealers, Trigger activators, Machine gun conversion kits, short-barrel shotguns and more
  • Check with Minnesota authorities for the full list.
New Jersey Flag
New JerseyBanned
  • Short-barrel shotguns, Silencers, Armor-piercing ammunition (with limited exceptions), dum-dum ammo, etc., Firearms with a low melting point, Machine guns, Assault firearms, Large capacity magazines, Trigger cranks
  • Check with New Jersey authorities for the full list.
New York Flag
New YorkBanned
  • Machine guns, Silencers, Disguised guns (includes wallet holsters and pen guns), Assault weapons: any semi-automatic rifle, Large-capacity magazines holding more than 10 rounds, Firearms with a low melting point or non-ferrous material (melting-point law)
  • Check with New York authorities for the full list.
Rhode Island Flag
Rhode IslandBanned
  • Machine guns, Untraceable firearms: 3D-printed guns, homemade guns, “ghost guns” without serial numbers, etc., Short-barrel rifles, Short-barrel shotguns, Silencers, Armor-piercing bullets designed for use in pistols, Trigger cranks, binary triggers, etc.
  • Check with Rhode Island authorities for the full list.
Virginia Flag
VirginiaBanned
  • Machine guns that aren't registered with state police, Plastic firearms, including certain machine guns and shotguns, are prohibited if they contain less than 3.7 ounces of detectable metal and cannot be accurately identified by X-ray machines, as well as shotguns like the Striker 12 with a spring-tension drum magazine holding 12 shells
  • Check with Virginia authorities for the full list.
Washington Flag
WashingtonBanned
  • Machine guns (pre-1995 grandfathered in), Short-barrel shotguns (pre-1995 grandfathered in), Unregistered handguns (partial ban)
  • Check with Washington authorities for the full list.
  • This 2024 data is not a complete list of gun laws and should not be considered legal advice. Laws vary by state, and for specific situations, consult a licensed local attorney.