Mach Sakai checks the Marushin S&W M586 Black HW 4-inch gas gun, a replica popular with fans of the Abunai Deka (Dangerous Detectives) TV show. He goes over the details the gas gun's physical attributes, noting its approximately 25cm length, 741g weight, and features like the adjustable rear sight and the high-grip plastic handle.

He then performs several performance tests, starting with the trigger pull for both double action and single action. From there, he conducts shooting tests to measure power and accuracy, including an assessment at 15 meters for the APS Cup and a demonstration of the steel challenge round.

Mach Sakai concludes that the M586 offers good performance, estimating it can fire 237 shots on a single gas charge. While the gun is accurate, he observes a minor tendency for shots to deviate slightly to the right.