(The Center Square) – A new lawsuit seeks to block one of Colorado’s newest gun control laws before it takes effect next year.

The suit , brought by the Colorado State Shooting Association and litigated by Lakewood, Colorado-based Mountain States Legal Foundation, questions the constitutionality of Senate Bill 25-003. The suit argues the new law puts in place an onerous permit-to-purchase scheme.

SB 25-003 was passed by the Democratic majority in the last regular legislative session and signed into law by Democratic Gov. Jared Polis, a defendant in the lawsuit, in April. But it doesn’t go into effect until August 2026.

The law will ban the purchases of semiautomatic rifles and shotguns that have detachable magazines, unless individuals get a “firearms safety course elig

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