Mountain States Legal Foundation

Rule Changes

As of August 2026: Litigating a separate challenge, Del Toro v. Polis

Starting August 1, 2026, buying most semiautomatic rifles or shotguns with a detachable magazine in Colorado requires a county sheriff's eligibility card, an in-person safety course, and a written exam. The passing score is 90%. No court blocked the law before it took effect.

Updated Aug 2

Rule Changes

As of June 2026: Represented Mark Baird in successful challenge

The Supreme Court issued two Second Amendment rulings in June 2026, both expanding gun rights. On June 25, Wolford v. Lopez struck down Hawaii's rule barring licensed gun carriers from entering businesses without advance property-owner permission—a decision that also applies to similar laws in California, New York, Maryland, and New Jersey.

Updated Jun 26