Colorado has recently passed one of the strictest gun control laws in the country, a move that is expected to have significant implications for gun ownership in the state. Gov. Jared Polis signed the bill into law on Thursday, making it illegal to buy, sell, or manufacture most semi-automatic firearms without undergoing both a background check and mandatory training. This new legislation represents a major shift in the state’s approach to gun control and is seen as one of the most restrictive laws in Colorado’s history.
The decision to sign the bill into law did not come without controversy. Gov. Polis faced immense pressure from gun rights advocates, including Republican members of Congress from Colorado, who argued that the law was unconstitutional and violated the rights of law-abiding gun owners.
These critics warned that the law would make it harder for people to legally purchase firearms and potentially infringe on the Second Amendment rights guaranteed by the U.S. Constitution. Despite the pushback, Polis remained firm in his commitment to sign the bill into law, citing the need for stronger gun safety measures in light of the state’s history with gun violence.
One of the key figures behind the bill is State Rep. Tom Sullivan, a Democrat from Centennial, who has been a vocal advocate for gun control. Sullivan, whose son Alex was tragically murdered in the 2012 Aurora theater shooting, has dedicated much of his political career to passing stricter gun laws in Colorado. He has been instrumental in passing nearly two dozen pieces of gun-related legislation since becoming a lawmaker in 2019.
Sullivan’s personal connection to the issue of gun violence has made him a passionate advocate for change. During his remarks after the bill was signed into law, he emphasized the importance of taking action to protect the people of Colorado. “This law will save lives,” Sullivan said. “We’ve been able to add to the safety of every Coloradan, and we are taking steps to reduce the threat of gun violence in our communities.”
The new law is a response to growing concerns over gun violence in the state. Colorado has experienced several high-profile mass shootings in recent years, including the tragic 2012 Aurora theater shooting and the 2021 Boulder supermarket shooting. These incidents have sparked widespread calls for stronger gun control measures, both from lawmakers and the public. The new law is seen as a step toward addressing these concerns, though it does not go as far as some gun control advocates would have liked.
The original version of the bill sought to ban assault weapons outright, but this provision was amended during negotiations. The final version of the law allows for the purchase of semi-automatic firearms, but only under strict conditions. In order to buy a gun, individuals will now need to pass a background check and complete a mandatory training program. The training requirements will include both safety courses and an understanding of the legal aspects of gun ownership.

Gov. Polis emphasized the importance of ensuring that gun owners are properly trained and that the people who are allowed to purchase firearms are responsible and trustworthy. “We want to make sure that the people who choose to buy guns are properly trained,” he said during the bill signing ceremony. “This will help ensure that gun owners are prepared to handle their firearms safely and responsibly.”
Another important aspect of the law is the eligibility process for gun buyers. Under the new law, individuals will need to obtain an eligibility card from their county sheriff in order to purchase a firearm. The sheriff will have the discretion to deny the card if they believe the individual poses a danger to themselves or others. This provision is designed to give local authorities more control over who is allowed to buy guns, ensuring that those with a history of violence or mental health issues are not able to acquire firearms easily.
While the new law has garnered significant support from gun control advocates, it has also faced opposition from those who believe it goes too far. Critics argue that the law infringes on the rights of responsible gun owners and may lead to unnecessary restrictions on gun ownership. The law’s opponents also express concern that the eligibility requirements and training mandates will disproportionately affect lower-income individuals who may not be able to afford the costs associated with obtaining a firearm under the new rules.
Despite the controversy, the new law represents a significant step forward in Colorado’s efforts to address gun violence. The state has long been a battleground for the gun control debate, with both sides passionately advocating for their positions. The new law is part of a broader trend of increasing gun regulations in the United States, as more states consider adopting stricter rules in response to mass shootings and gun-related deaths.
In addition to the background checks and training requirements, the law includes several provisions designed to make it more difficult for individuals with a history of violence or criminal activity to obtain firearms. For example, individuals who have been convicted of domestic violence or who are subject to a restraining order will be prohibited from purchasing firearms. These provisions are aimed at preventing gun violence in situations where individuals may pose a threat to others.
The bill has also garnered attention from national organizations advocating for stronger gun laws, including the Brady Campaign to Prevent Gun Violence. The group has praised Colorado for taking bold action to protect its citizens and reduce the risk of gun-related tragedies. The Brady Campaign called the new law “a historic step in the fight against gun violence” and urged other states to follow Colorado’s lead.
Colorado’s new gun control law represents a significant shift in the state’s approach to firearms regulation. While the law has been met with both support and opposition, it is clear that the issue of gun violence continues to be a major concern for lawmakers and the public alike.
The new law is just one piece of a larger puzzle, as the state works to balance the rights of gun owners with the need for public safety. As the debate over gun control continues to unfold across the country, Colorado’s decision to pass this law may serve as a model for other states looking to address gun violence in their own communities.
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