Which rule states to treat every weapon as if it was loaded?

The principle that every firearm should be treated as if it is loaded is encapsulated in the First Rule of firearm safety. This foundational rule is critical because it establishes a mindset of caution and responsibility among firearm handlers. By treating every weapon as if it is loaded, individuals are less likely to become complacent, which helps to prevent accidental discharges and promotes a culture of safety.

This rule serves as a constant reminder to always be aware of the firearm's condition, reinforcing the importance of handling it with care and respect. Understanding and applying this rule is essential for any firearm enthusiast or instructor, as it underscores the seriousness of firearm ownership and handling.