What is a key safety principle when handling firearms?

The principle of ensuring the firearm is unloaded when crossing obstacles is crucial for maintaining safety. When navigating through challenging terrain, such as a fence or a waterway, it is essential to handle the firearm responsibly to prevent accidental discharge. By confirming that the firearm is unloaded, you minimize the risk of injury not only to yourself but also to those around you. This practice reinforces the habit of treating every firearm as if it is loaded, which is a cardinal rule of gun safety.

While the other options contain important safety protocols, ensuring the firearm is unloaded during such situations directly addresses the highest risk scenarios and contributes significantly to safe firearm handling practices.