Possession of a Defaced Firearm
(Colorado 18-12-103 C.R.S.)

Possessing a defaced firearm in Colorado

It is a Colorado class 1 misdemeanor to knowingly possess a defaced firearm.

A defaced firearm is one on which the manufacturer's serial number, or other distinguishing number or identification mark, has been removed, defaced, altered, or destroyed, except by normal wear and tear.

Possible punishment for possession of a defaced firearm in Colorado can include:

  • 6 - 18 months in jail, and/or
  • A fine of $500-$5,000.

This is separate from, and in addition to, any penalties you face if you are also found guilty of defacing a firearm, Colorado 18-12-104 C.R.S.

Can possessing a defaced gun be charged as a felony?

Possession of a defaced firearm becomes a Colorado class 5 felony if within the previous 5 years you have a conviction for:

As a felony, penalties for possession of a defaced firearm can include:

  • 1-3 years in prison (with 2 years mandatory parole), and/or
  • A fine of $1,000-$100,000.

Moreover, you face collateral consequences of a felony conviction, including the loss of your federal and Colorado gun rights.

Defenses to possession of a defaced firearm

There are a number of ways to defend charges under 18-12-103 C.R.S. Our Colorado criminal defense lawyers can help you decide the best defenses to your charges of possessing a defaced firearm.

However, common defenses often include (but are not limited to):

  • You didn't know you had the weapon;
  • The gun wasn't yours;
  • The serial number was legible;
  • If the serial number was illegible, it was from normal wear and tear;
  • The gun was found during an illegal search and seizure.

Call us for help…

If you or someone you know has been accused of possession of a defaced weapon or any other Colorado gun law, we invite you to call us for a free consultation.

We know that innocent people face weapons charges every day. But our caring and experienced criminal attorneys have a great deal of experience defending people accused of all kinds of gun, knife and other weapons offenses.

So whether you're a felon with a firearm or you just trusted the wrong person, contact us to find out how we can fight for you.

To reach one of our knowledgeable Colorado defense lawyers, fill out the form on this page or call us at our Denver home office:

Colorado Legal Defense Group
1400 16th Street ste. 400
16 Market Square
Denver CO 80202


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