Overview

• Senate Bill 3 prohibits the manufacture and significantly limits the sale of semiautomatic firearms capable of accepting detachable magazines, with exceptions for fixed-magazine firearms.
• The bill requires buyers of restricted firearms to obtain sheriff approval and complete up to 12 hours of training before purchase.
• The legislation includes a delayed implementation date of August 2026 to allow time for the development of necessary forms and training programs.
• Governor Jared Polis is expected to sign the bill, which would make it one of the most restrictive gun control measures in Colorado's history.
• Gun rights groups have vowed to challenge the law in court once it takes effect, marking the beginning of anticipated legal battles.