Definition:
A "firing range" is a specific place where people practice shooting guns or other firearms at targets. It is designed to provide a safe environment for this practice.
In more advanced contexts, a firing range can refer to not just the physical location but also a broader concept of training and preparation for handling firearms in professional or military settings.
While there aren't specific idioms directly related to "firing range," you might hear phrases like:
A "firing range" is an important place for training with firearms, whether for law enforcement, military, or sport.