Semiautomatic Firearms & Rapid-Fire Devices
SB003 creates a new statewide prohibition on the manufacture, distribution, transfer, sale, and purchase of certain “specified semiautomatic firearms” beginning August 1, 2026. The bill defines covered firearms primarily as semiautomatic rifles or shotguns with detachable magazines and gas-operated semiautomatic handguns with detachable magazines, while carving out numerous exceptions for rimfire firearms, manually operated firearms, fixed-magazine firearms under 15 rounds, certain named legacy models, antiques, curios and relics, permanently inoperable firearms, and blank-firing props. It also defines “rapid-fire device” and classifies such devices as dangerous weapons under Colorado law.
To implement the restriction, the bill adds a new firearms safety course eligibility system. A person seeking to purchase a specified semiautomatic firearm must generally complete either a basic or extended firearms safety course and obtain a sheriff-issued eligibility card, with the Division of Parks and Wildlife operating a records system to track cards and course completion. The bill sets course length, testing, instructor verification, background-check, and fee requirements, and it authorizes limited access for sheriffs, instructors, and federally licensed firearms dealers. It also directs the Department of Revenue to provide guidance on which firearm models are covered.
The bill amends several other statutes to align with the new prohibition. It adds violations of the new semiautomatic-firearm restrictions to the list of offenses that can bar firearm possession, to the grounds for denial of firearm transfers in the NICS-related state background-check process, and to the grounds for revocation of a state firearms dealer permit. It also changes the penalty for large-capacity magazine violations from a class 2 misdemeanor to a class 1 misdemeanor and updates the definition of “dangerous weapon” to include rapid-fire devices. The bill includes appropriations and creates a cash fund to support implementation.
The overall sentiment in the recorded votes shows support from the bill’s sponsors and majority backing in several committee and floor actions, but also substantial opposition, especially in the House. The Senate ultimately passed the bill, and the House later passed it as well, but many House committee amendments failed and several floor votes were close or divided, indicating a contentious measure with strong partisan and policy disagreement. The vote pattern suggests the bill was viewed favorably by supporters of gun regulation, while opponents consistently resisted the restrictions and the new permitting/course framework.
The main points of contention appear to be the scope of the firearm ban, the creation of a new eligibility-card and training regime, and the administrative burden placed on sheriffs, the Division of Parks and Wildlife, and firearm dealers. Opponents are likely to object to the bill’s effect on lawful ownership and commerce in commonly owned semiautomatic firearms, while supporters likely view it as a public-safety measure and an enforcement mechanism for Colorado’s existing large-capacity magazine restrictions. The bill’s detailed exceptions and model-specific guidance requirement also suggest concern about overbreadth and implementation clarity.
SB003 substantially expands Colorado firearms regulation by prohibiting new commercial activity involving specified semiautomatic firearms and by creating a new state-administered training-and-eligibility system tied to those firearms. It amends criminal, licensing, and background-check statutes, increases the penalty for large-capacity magazine violations, and adds rapid-fire devices to the state’s dangerous-weapon definition. The bill also creates new administrative duties and a dedicated cash fund for implementation, affecting sheriffs, the Division of Parks and Wildlife, the Department of Revenue, firearm dealers, instructors, and firearm owners or prospective purchasers.
The bill’s legislative history reflects a mixed but ultimately advancing posture: it received enough support to move through the Senate and later the House, but many votes were close and several proposed amendments failed by narrow margins. The pattern suggests strong support among gun-control proponents and significant resistance from opponents, especially in the House, where the bill encountered repeated attempts to alter or limit its scope. Overall, the sentiment appears polarized rather than broadly bipartisan.
The most significant contention is over whether the bill is an appropriate public-safety regulation or an overly broad restriction on semiautomatic firearms that are widely owned and commonly used. Critics are likely focused on the ban’s breadth, the eligibility-card requirement, the background-check and fee structure, and the administrative role assigned to sheriffs and state agencies. Supporters appear to emphasize enforcement of existing magazine limits, the classification of rapid-fire devices as dangerous weapons, and the bill’s numerous exceptions for law enforcement, military, hunting education, museums, antiques, and certain firearm models.