The term refers to a non-lethal, often blue-colored, replica of a specific type of semi-automatic rifle. These replicas are typically used in training scenarios for law enforcement, military personnel, and security professionals. For example, during close-quarters combat training, personnel use these replicas to safely practice weapon handling, tactical maneuvers, and threat assessment without the risk of accidental discharge or injury.
The importance of these training tools lies in their ability to provide realistic simulations of real-world scenarios. This allows trainees to develop muscle memory, refine their decision-making skills under pressure, and become familiar with the ergonomics and handling characteristics of the actual firearm. Historically, such training aids have evolved from rudimentary wooden or metal mock-ups to highly detailed polymer replicas that closely mimic the weight, balance, and functionality of the live weapon, enhancing the fidelity and effectiveness of training exercises.