A new federal lawsuit is challenging a California county’s concealed carry restrictions that prohibit permit holders from carrying handguns equipped with red dot sights, weapon-mounted flashlights, lasers, and even certain single-action firearms, including many 1911-style pistols. The case could become a significant test of how far local governments can go in regulating lawful concealed carry.

The lawsuit, Second Amendment Foundation v. Contra Costa County, was filed in federal court and argues that these restrictions violate the Second Amendment under the standards established by the Supreme Court’s decision in New York State Rifle & Pistol Association v. Bruen. Supporters of the challenge contend that the banned accessories are commonly used safety and accuracy-enhancing tools relied upon by law-abiding firearm owners.

According to the complaint, Contra Costa County’s policies prevent concealed carry permit holders from using popular self-defense equipment that is legal in many other jurisdictions throughout California and the United States. Critics argue that prohibiting flashlights, red dots, and other commonly used accessories undermines both personal safety and effective self-defense.

The case is still in its early stages, but its outcome could have broader implications for concealed carry permit conditions, firearm accessory restrictions, and Second Amendment rights throughout California.