Understanding Illegal Weapons in Colorado
Colorado, like all U.S. states, has its own set of laws regulating the possession, sale, and use of weapons. Understanding these laws is crucial to ensure you're in compliance and to stay safe. This article delves into the topic of illegal weapons in Colorado, providing a comprehensive guide to help you navigate the state's firearms and weapons laws.
Colorado's Definition of Illegal Weapons
Colorado defines illegal weapons under several categories. These include:
- Firearms that are altered to make them undetectable by metal detectors (CRS § 18-12-102).
- Short-barreled rifles and shotguns (CRS § 18-12-102).
- Machine guns, except those registered in the National Firearms Registration and Transfer Record (NFRTR) (CRS § 18-12-102).
- Silencers or suppressors, unless registered with the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) (CRS § 18-12-102).
- Firearms with serial numbers defaced or removed (CRS § 18-12-102).
- Certain types of armor-piercing ammunition (CRS § 18-12-103).
Colorado's Background Check and Permit Requirements
Colorado requires a background check for all firearm purchases, including private sales (CRS § 18-12-108.3). Additionally, the state has a permit requirement for concealed carry, known as a "concealed handgun permit" (CHP) (CRS § 18-12-204). Applicants must be at least 21 years old, pass a background check, and complete a firearms training course.

Prohibited Persons in Colorado
Colorado law prohibits certain individuals from possessing firearms. These include:
- Persons convicted of felonies or certain misdemeanors (CRS § 18-12-108).
- Persons subject to protection orders or restraining orders (CRS § 18-12-104.5).
- Persons adjudicated mentally defective or committed to a mental institution (CRS § 18-12-108).
- Illegal aliens and nonimmigrant aliens (CRS § 18-12-105.5).
Penalties for Illegal Weapons Possession in Colorado
The penalties for illegal weapons possession in Colorado vary depending on the specific offense. Here's a table outlining some of the most common penalties:
| Offense | Penalty |
|---|---|
| Unlawful possession of a firearm | 12 to 18 months in jail and/or a fine of $500 to $5,000 (CRS § 18-12-108). |
| Possession of a defaced firearm | 6 to 18 months in jail and/or a fine of $500 to $5,000 (CRS § 18-12-102). |
| Possession of a short-barreled rifle or shotgun | 12 to 18 months in jail and/or a fine of $500 to $5,000 (CRS § 18-12-102). |
Staying Informed and Staying Legal
Colorado's weapons laws can be complex, and it's crucial to stay informed to ensure you're in compliance. Regularly review the Colorado Revised Statutes and consider consulting with a legal professional if you have questions or concerns. By staying informed and following the law, you can help ensure your safety and the safety of those around you.
