Mach Sakai reviews a customized Tokyo Marui Steyr AUG HBAR electric airsoft gun. This specific model was acquired from a hobby shop's used section and features several modifications, including a custom nozzle and a heavy barrel assembly. The rifle measures 92cm in length and weighs 3.87kg, making it a substantial piece of equipment.

The review includes technical measurements such as muzzle velocity and rate of fire using various BB weights. Mach Sakai examines the unique integrated trigger system, which transitions from semi-auto to full-auto based on pull depth, and measures the specific weight required for each stage. Additional focus is placed on the adjustable bipod and the functionality of the integrated optic.

Practical performance is demonstrated through accuracy tests at various distances and rapid-fire drills. He notes the front-heavy balance caused by the longer barrel, which helps with stability during precision shooting. The review ends with a summary of the rifle's firing cycle and overall handling characteristics during field use.