What is the system weight of the chain gun?

The system weight of the chain gun is accurately identified as 55 kg. This weight encompasses the entire operational configuration of the chain gun, which includes the gun itself along with necessary components such as the ammunition feed system, mounting hardware, and any other integrated systems that are vital for its functionality on a military aircraft.

Understanding the weight of such a weapon system is crucial for various aspects of military operations, including aircraft design, weight distribution, and overall mission capabilities. It ensures that aircraft are able to carry the weapon without compromising their performance or safety. Additionally, accurate knowledge of the weapon's weight helps in logistical planning, provisioning for maintenance, and operational readiness.

Each of the other weights provided reflects the specifications of alternate systems or different configurations that are not standard for the chain gun used in military applications.