DENVER (KDVR) — The Colorado State Shooting Association has filed a federal lawsuit challenging a law signed by Gov. Jared Polis earlier this year requiring citizens to obtain a permit and complete safety courses before buying certain semiautomatic firearms.

The law is set to go into effect on Aug. 1, 2026, requiring anyone in Colorado who is seeking to purchase a semiautomatic firearm that accepts detachable magazines to obtain a permit after completing 12 hours of firearm safety training.

It also prevents the sale of rapid-fire conversion devices, which allow the user of a semiautomatic gun to treat it more like a fully automatic weapon. These devices include bump stocks and binary triggers.

“This law won’t stop crime — it will only stop Coloradans from exercising their constitutional

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