https://youtu.be/QfCZqkpS4PA 4:36 run-time.
You only need to watch the first sixty seconds to get a feel for the entire video. Rodents scurrying about. Magazine dumps as fast as fingers can pull the trigger. A few pedestrians, unconcerned, going about their business.
Full disclosure, the sounds may have been dubbed in. But if they were, they were well done, including one string where there was an secondary echo effect.
Must be no ammo shortage in Detroit, Michigan.