Gunmetal is a kind of bronze.
Gunmetal, gunmetal gray or gunmetal grey may refer to:
Gunmetal (color), a shade of gray
Arts, media and entertainment Gunmetal (video game), a 1998 first person shooter game Gun Metal (video game), a 2002 3D shooting game Gunmetal Grey, a metalcore band from San Francisco, US Gun Metal Grey, a Hong Kong TV show Gunmetal Gray, a 2017 novel