Defacing a Firearm
(Colorado 18-12-104 C.R.S.)

Removing the identifying information on a gun

It is a Colorado class 1 misdemeanor to knowingly remove, deface, cover, alter, or destroy the manufacturer's serial number or any other distinguishing number or identification mark of a firearm.

Possible penalties for defacing a firearm include:

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

This is in addition to criminal consequences, if any, for possession of a defaced firearm, Colorado 18-12-103 C.R.S.

Defenses to defacing a firearm

Defacing a firearm is a much less common charge than possessing a defaced firearm. However, if you are charged with doing the actual defacing, possible defenses include:

  • You didn't knowingly remove the serial number,
  • The serial number was still visible,
  • The serial number was worn down due to normal wear or tear, or
  • The gun was found during an illegal search and seizure.

Call us for help…

If you or someone you know has been charged with defacing a firearm or with any other of Colorado's firearms laws, we invite you to contact us for a free and confidential consultation.

One of our caring Colorado criminal defense lawyers will get back to you promptly to discuss your case and the best possible defenses to defacing a firearm or your other specific charges.

We offer two convenient ways to reach one of our knowledgeable criminal attorneys:

  • By filling out the form on this page, or
  • By calling us at our conveniently located Denver home office:

Colorado Legal Defense Group
4047 Tejon Street
Denver, CO 80211
(303) 222-0330


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