Missouri doesn't require a carry permit. So when is a gun still a crime?

Missouri does not require a permit to carry a concealed firearm. A lot of people hear that and stop reading, which is exactly how otherwise law-abiding gun owners end up charged.

Permitless carry answers one question: whether you needed a piece of paper. It does not answer where you may carry, who may carry at all, or what happens the moment you cross the Mississippi. Those three questions are where the cases come from.

Where you cannot carry

Missouri keeps a list of restricted places, and it is longer than most owners realize. It covers the obvious government buildings and schools, and it also reaches places people do not expect, including certain childcare facilities, some transit facilities, and portions of establishments that serve alcohol.

Some of those restrictions are absolute. Others depend on consent, meaning the property owner can allow what the statute otherwise limits. That distinction decides cases, and it is not something to work out from memory in a parking lot. If you carry regularly, it is worth sitting down once with the actual list rather than a summary of it. Our weapons charges page walks through the categories.

Who cannot carry at all

A prior felony conviction is the one everyone knows. The one that surprises people is the federal firearm bar that attaches to some domestic-violence misdemeanors, which reaches conduct a state court treated as minor.

Two things about that bar are commonly misunderstood, and both cut in the client's favor. It does not attach to every charge labeled domestic assault, because the offense has to involve force or a threat with a weapon. And it is not always permanent. Where the victim was a spouse, someone you lived with, or a co-parent, it is a lifetime bar. But for a first conviction involving a dating partner, entered after June 25, 2022, federal law sets it at five years rather than forever.

If you were told years ago that you could never own a firearm again, that advice may simply be out of date. It is worth having someone check the actual conviction against the current rule.

The drive into Illinois is the real trap

This is the single most common way a lawful Missouri gun owner becomes an Illinois felony defendant, and it happens on ordinary trips: a Cardinals game, a job site in the Metro East, dinner in Belleville.

Illinois does not honor a Missouri concealed carry permit, and Missouri's permitless status transfers to exactly nothing. Worse, you cannot solve it by applying for an Illinois non-resident license, because Illinois only accepts non-resident applications from a short list of states it has designated, and Missouri is not on that list. That license does not exist for you.

What does exist is a narrow allowance for keeping a firearm in a vehicle, with specific conditions about how it is carried and when it may come out. It is real, and it is genuinely narrow. Outside of it, you are looking at felony exposure on the Illinois side for conduct that was perfectly legal eleven minutes earlier. The dual-state guide covers how differently the two states treat the same facts.

What a weapons case actually turns on

Most of these cases start with a traffic stop or a street encounter, which means they usually turn on the stop and the search long before anyone argues about the gun.

• Why the officer stopped you at all, and whether that reason holds up.
• What justified searching the vehicle or your person.
• Whether the firearm was actually yours in a legal sense, which is genuinely contested when more than one person was in the car.
• Chain of custody and how the weapon was handled after seizure.

A motion to suppress that succeeds reshapes the case entirely, because the state's proof problem becomes severe without the evidence. Whether the stop was supported by probable cause or reasonable suspicion is where that fight starts.

Possession is not as simple as whose car it was

In a vehicle with more than one occupant, the state has to connect the firearm to a specific person. Where it was, who could reach it, whose prints or DNA are on it, what everybody said at the scene. Those facts are often messier than the police report makes them sound, and that mess is frequently the defense.

Felony weapons exposure also carries consequences well past the sentence, touching immigration status, professional licensing, and federal employment. Those collateral effects often matter more to a client's life than the sentence does, which is why the charge you plead to matters as much as the outcome. Felony defense work starts from that premise.