Colorado firearms lawsSuppressors & Silencers

Colorado Suppressors & Silencers Laws (2026)

Conditional: Legal when federally registered. A silencer is a "dangerous weapon" (C.R.S. 18-12-102, class 5 felony), BUT a valid federal NFA permit is an affirmative defense, so a properly registered suppressor is lawful.

ConditionalVerified Jul 18, 2026

Legal when federally registered. A silencer is a "dangerous weapon" (C.R.S. 18-12-102, class 5 felony), BUT a valid federal NFA permit is an affirmative defense, so a properly registered suppressor is lawful.

Official source: cbi.colorado.gov

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