← Colorado firearms laws›Magazine Capacity
Colorado Magazine Capacity Laws (2026)
Conditional: Colorado limits magazines to 15 rounds — it is illegal to sell or transfer a magazine that holds more than 15 rounds, but you may still possess a pre-ban magazine.
ConditionalVerified Jul 13, 2026
Carrying across state lines?The free LawLert iPhone app alerts you at each state line with whether that state lists your permit as recognized. No account.Get the appColorado limits magazines to 15 rounds — it is illegal to sell or transfer a magazine that holds more than 15 rounds, but you may still possess a pre-ban magazine.
Official source: cbi.colorado.gov →
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