Criminal Defense

Unlawfully carrying a concealed weapon in Colorado

Colorado allows open carry in most places, but carrying a hidden firearm or a large knife without falling under a legal exception is a crime under C.R.S. 18-12-105. Most people charged with it either had no permit or misunderstood where the exceptions end. The information here applies as of August 16, 2026.

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This page is general information about Colorado law, not legal advice about your case. The law changes; for advice on your situation, talk to us.

Plain answers

Common questions.

Generally yes. The statute has an exception for weapons carried in a private automobile for lawful protection while traveling. But the exception has edges. Other laws restrict guns on school grounds and in certain buildings, and a person barred by a prior conviction, whether under Colorado's previous offender statute or federal law, cannot possess the gun at all. If you were charged despite the vehicle exception, that is worth a close look.

The legal definition covers blades longer than three and a half inches and excludes hunting and fishing knives carried for sports use. It also includes a catchall for other instruments capable of inflicting cutting or stabbing wounds, and Colorado courts read that catchall to require proof that you intended to use the item as a weapon. A work tool carried as a tool is a real defense, and many knife cases turn on exactly this issue.

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