What Gun Accessories Are Illegal? – 2024 Guide

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To put it mildly, gun laws in the US can be complicated and varied. There are nations where gun laws are uniform across the country. This is because the US has strong state governments, which is a good thing. You must be familiar with applicable local laws.

The reality is that laws change. And the most thorough analysis gets out of date after a bit. This article discusses the banned weapons, bullets, and parts or accessories in each jurisdiction. Lunde Studio houses a huge collection of information about guns and ammunition. In addition, the website has informative blogs from experts, gun owners, and enthusiasts worldwide, making it a fantastic online community for gun owners and beginners.

To begin, you may be surprised to learn that certain activities are illegal. For instance, did you know that some states prohibit the use of “wallet holsters?” These are holsters for carrying a handgun, such as a Beretta.

It is ultimately everyone’s responsibility to familiarize themselves with their state laws and those of the states through which they travel.

Laws may be more profound and more complex than they appear at first glance. Verify your state’s laws. Additionally, keep in mind that these laws are subject to change.

Laws may be more profound and more complex than they appear at first glance. Verify your state’s laws. Additionally, keep in mind that these laws are subject to change.

Some states explicitly prohibit machine guns and other destructive devices, while others do not. This does not imply that you can go out and buy one like any other firearm. Weapons under Title II Weapons must meet additional requirements and go through extra steps to obtain a permit to carry as outlined in the guidelines of the National Firearms Act.

Finally, you should never order anything that is prohibited in your state. You may find yourself bankrupt and in jail for what many of us would consider a minor offense. However, other violations are much more severe, and the derogatory remarks on the records can be seriously damaging.

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So, what gun accessories are illegal? Here are some of the guns and accessories that are banned in some states:


  • Brass-coated handgun ammo
  • Steel Teflon-coated handgun ammo

The State of Alabama provides an exception to these handguns if they are the type of handgun that would expand in contact.


  • Machine gun
  • Short-barreled rifles

The State of Arkansas is working on lifting the ban, allowing those with a federal permit to purchase these firearms.


  • Fixed ammo
  • Cane gun
  • Wallet gun
  • Undetectable firearm
  • Flechette darts
  • Bullets with explosive agents
  • Tracer ammo – With the exception of those being used for shotguns
  • Armor-piercing ammo
  • Unconventional pistol
  • Machine gun
  • Multi-trigger activator
  • Shotgun or Short-barrel rifle
  • Silencer
  • Zip gun
  • Assault weapons
  • .50 BMG rifle – This requires a permit
  • SKS rifle
  • Magazines holding more than ten rounds
  • Handguns listed as not certified for sale

Additionally, an assault weapon is defined as any semi-automatic, centerfire rifle that does not have a fixed magazine and is equipped with one of the following: a pistol grip, a thumbhole stock, a folding/telescoping stock, a grenade or flare launcher, a flash suppressor, or a forward pistol grip.

Both semi-automatic, centerfire rifles with a fixed magazine capacity of more than ten rounds and any semi-automatic, centerfire rifle with a length of fewer than 30 inches are included. When it comes to pistols, any semi-automatic pistol that does not have a fixed magazine but does have one of the following features is considered an assault weapon: threaded barrel, second handgrip, barrel shroud, or the ability to attach the magazine anywhere other than the pistol grip.

Any semi-automatic handgun with a fixed magazine that holds more than ten rounds is included. A semi-automatic shotgun has a folding or telescoping stock, a pistol grip, a detachable magazine, or a revolving cylinder. It is classified as an assault weapon.

In general, California is a totalitarian state for gun owners; the catalog of licensed guns must be carefully reviewed before purchasing. Thus, while your FFL can understand what constitutes a legitimate move, you can avoid placing them in a situation where they can reject a transfer.

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  • Machine gun
  • Magazines holding more than fifteen rounds

In Colorado, the silencer was omitted from the list of illegal gun accessories, but it still requires documentation and permits.


  • Assault weapons – Except for the Olympic pistol
  • Armor-piercing ammo
  • Incendiary .50-caliber ammo
  • Short-barrel shotgun
  • Magazines holding more than ten rounds

Like in the State of Colorado, Connecticut made silencers provided sufficient documents or permits. However, silencers are not allowed in hunting.


  • Silencer – With the exception provisioned for the wildlife scientists with
  • permits
  • Short-barrel shotgun
  • Machine gun
  • Trigger cranks
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  • Exploding ammo
  • Flechette shells
  • Bump stocks
  • Binary triggers


  • Assault pistol
  • Automatic firearm
  • Rifles with less than 16 inches of barrel length
  • Shotguns with less than 18 inches of barrel length
  • Cannon
  • Muffler
  • Silencer
  • Teflon-coated ammo
  • Multi-burst trigger activator
  • Trigger crank
  • Magazines holding more than ten rounds


  • Machine gun
  • Silencer
  • Explosive bullet
  • Firearms having non-ferrous materials
  • Rifles with less than 16 inches of barrel length
  • Shotguns with less than 18 inches of barrel length
  • Armor-piercing bullets


  • Armor-piercing ammo


  • Setting spring gun


  • Selling of armor-piercing ammo


  • Machine gun
  • Armor-piercing ammo


  • Armor-piercing ammo
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  • Assault weapon
  • Ammo containing incendiary materials
  • Low-melting point firearm
  • Any firearm not listed in the permitted firearms


  • Assault weapon
  • Large-capacity feeding device
  • Convert weapons
  • Silencer


  • Pistols having more length of more than 26 inches
  • Machine gun
  • Spring gun
  • Armor-piercing ammo

Take note that this is just a partial list, and you can notice that the standard accessory that is banned in several states is the armor-piercing ammo and silencer. Please note this write-up does not define the entirety of the firearms laws. The information in this article does not, in any way, constitute legal advice or a restatement of the law. It is strongly recommended that a licensed local attorney be consulted for an accurate interpretation of any particular situation.

Written by Marinelle Adams