What is the status of the chamber in Condition 4 of an M4?

In Condition 4 of an M4, the chamber is empty, meaning there are no rounds in the chamber ready to be fired. This status indicates that the weapon is in a safe or rest position, often used when the weapon is not in active use.

It's important to understand that a condition indicating an empty chamber is crucial for safety protocols, especially when handling firearms. Ensuring the chamber is empty helps prevent accidental discharges and maintains a secure environment.

Other options like a full chamber or loaded chamber would indicate that the weapon is prepared to fire, which is not the case in Condition 4. The notion that the chamber may or may not be loaded suggests uncertainty, which is not applicable in this context as Condition 4 specifically defines the chamber as being empty.