The Difference: When is a weapon illegal in the Netherlands and in the USA
The Netherlands:
Always prohibited (Category I): Some weapons are strictly prohibited from being owned, purchased, carried, or transported. Examples include stilettos, butterfly knives, brass knuckles, throwing knives, and imitation firearms that are indistinguishable from real ones.
Weapons requiring a permit without a permit (Categories II and III): Firearms and some heavy weapons may only be possessed by persons with an official firearms permit (such as hunters or sport shooters). Possession of these without a valid permit is a punishable offense.
Home vs. Public Road (Category IV): You may possess certain weapons (such as rapiers, sabers, or crossbows) at home if you are 18 years of age or older. However, it is illegal to carry or possess these weapons in a public place.
Everyday objects as weapons: An object that is not naturally intended as a weapon (such as a baseball bat or screwdriver) becomes illegal and punishable as soon as you carry it with the intention of using it as a weapon or committing violence.
The USA:
In the United States, there is no single definition of an "illegal weapon" because weapon laws are split between strict federal regulations and heavily varied state or local bans. While very few items are banned outright for everyone, many weapons are strictly illegal unless a civilian obtains rare federal permits, tax stamps, or specialized licensing.
Federally Banned and Heavily Restricted Weapons:
Undetectable Firearms: Guns that cannot be detected by airport metal detectors are completely banned.
Defaced Firearms: Any firearm where the serial number has been removed, altered, or obliterated is completely illegal.
Machine Guns: Fully automatic firearms manufactured after May 19, 1986, are banned for civilian ownership. Guns made before this date require an extensive background check and a $200 tax stamp.
Short-Barreled Long Guns: Shotguns with barrels under 18 inches and rifles with barrels under 16 inches are illegal without specialized NFA registration.
Silencers and Suppressors: These are illegal to possess or manufacture unless registered federally with an approved tax stamp.
Destructive Devices: Bombs, grenades, mines, rocket launchers, and weapons with a bore diameter greater than 0.50 inches (excluding sporting shotguns) are heavily restricted.
State-Level Weapon Restrictions:
What is legal in one state can be a severe felony in another. Many states ban or restrict items that face no federal limitations.
"Assault Weapons": Several states ban the sale or possession of certain semi-automatic rifles (like AR-15 and AK-47 styles) based on specific features like detachable magazines, pistol grips, or folding stocks.
High-Capacity Magazines: Multiple states make it illegal to own ammunition magazines that hold more than 10 or 15 rounds.
Ghost Guns: Unserialized, privately manufactured firearms made from 3D printers or "80% lower" kits are increasingly banned by individual states.
Disguised and Hidden Guns: Items like cane guns, wallet guns, or pen guns are banned in various local jurisdictions.
Non-Firearm Illegal Weapons:
Many states and cities enforce strict prohibitions on melee weapons, hidden blades, and non-lethal defense tools.
Knives: Switchblades, ballistic knives (knives that launch a blade), butterfly knives, and brass-knuckle knives are illegal to carry or own in several states.
Blunt Force & Martial Arts Weapons: Impact items like brass knuckles, saps, blackjacks, weighted clubs, and nunchucks face outright bans in specific regions.
Stun Guns and Chemical Sprays: While legal under federal law, certain cities or states place restrictions on the size, strength, or ownership of tasers and pepper spray.
Prohibited Persons:
Under the Federal Gun Control Act, possessing any firearm or ammunition is completely illegal if an individual falls into specific categories, including convicted felons, individuals convicted of domestic violence misdemeanors, fugitives, and unlawful users of controlled substances (including state-legal recreational marijuana).