Identification markings for large-capacity magazines - rules
C.R.S. § 18-12-303
in effect18-12-303. Identification markings for large-capacity magazines - rules. (1) A large-capacity magazine that is manufactured in Colorado on or after July 1, 2013, must include a permanent stamp or marking indicating that the large-capacity magazine was manufactured or assembled after July 1, 2013. The stamp or marking must be legibly and conspicuously engraved or cast upon the outer surface of the large-capacity magazine.
(2) The bureau may promulgate such rules as may be necessary for the implementation of this section, including but not limited to rules requiring a large-capacity magazine that is manufactured on or after July 1, 2013, to bear identifying information in addition to the identifying information described in subsection (1) of this section.
(3) A person who manufactures a large-capacity magazine in Colorado in violation of subsection (1) of this section commits a class 2 misdemeanor and shall be punished in accordance with section 18-1.3-501.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-18.docx#18-12-303Fetched: 10/6/2026