Assembly Bill 951 mandates that retail businesses selling firearms must secure all firearms when the business is unattended. The bill outlines specific methods for securing firearms, which include storing them in a locked fireproof safe, locked steel gun cabinet, or vault; using a reinforced steel-framed display case; securing with a hardened steel rod or cable; placing them in a windowless room with a steel security door; or behind a steel roll-down door or security gate. Additionally, if the retail store is at street level, it must also implement protective measures such as concrete or hardened steel bollards or locking steel roll-down doors on perimeter entrances and windows.

The bill aims to enhance the security of firearms in retail settings, thereby reducing the risk of theft and unauthorized access. It establishes clear requirements for firearm storage, ensuring that retailers take necessary precautions to protect their inventory when the store is not in operation.