Senate Bill No. 628 amends existing laws regarding the unlawful carry of firearms in certain places in Oklahoma. The bill modifies the list of locations where carrying firearms is prohibited, allowing municipalities to authorize employees or public officials to carry concealed handguns under specific circumstances. It also updates the definitions and restrictions related to firearm carry, including provisions for concealed carry in municipal buildings, parks, and during events, while maintaining prohibitions in sensitive areas such as courthouses, schools, and places of gambling.

Key changes include the removal of the term "federal" from the list of governmental authorities where carry is unlawful, and the introduction of new provisions that allow municipalities to designate firearm-prohibited locations. Additionally, the bill clarifies that municipal employees may carry firearms if they meet certain training requirements, and it allows for the open carry of firearms in public buildings subject to municipal policies. The bill is set to take effect on November 1, 2025.