What indicates that a rifle is call ready?

A rifle is considered "call ready" when it has a round chambered and the dust cover is closed. This setup ensures that the firearm is ready to be fired immediately when needed. The round in the chamber indicates that the rifle is prepared for action without the need for additional loading, and the closed dust cover protects the mechanism from dirt and debris, ensuring reliable operation.

The option stating that the dust cover is open does not reflect proper readiness, as an open dust cover could expose the internals of the rifle to contaminants, which might compromise its functionality. Therefore, a rifle that is considered ready should have both the chamber loaded with a round and the dust cover securely closed.