Gunmetal Action is a track from the Wild Arms 3 soundtrack. This is the background music that plays during random encounters and "Pre-emptive strikes", but not when the party gets "Ambushed" or a character is "In Trouble" (separated from the rest of the party). The song is an instrumental piece with no lyrics. The arrangement includes whistling, an acoustic guitar, castinets, brass instruments, a synthesizer, a drumset, and bongos. The song's composer is Michiko Naruke.