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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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