Citation(s) from the GunPolicy.org literature library
State of Colorado. 2013 ‘Offenses Relating to Firearms and Weapons - Possession of a Defaced Firearm.’ Colorado Revised Statutes (Criminal Code); Title 18, Article 12 (Part 1, Section 18-12-103). Denver, CO: Colorado General Assembly. 15 December
Section 18-12-103. Possession of a defaced firearm
A person commits a class 1 misdemeanor1 if he knowingly and unlawfully possesses a firearm, the manufacturer's serial number of which, or other distinguishing number or identification mark, has been removed, defaced, altered, or destroyed, except by normal wear and tear.