Gunmetal is a kind of bronze, an alloy of copper, tin, and some zinc, originally used chiefly for making guns, but later superseded by steel.
Originally used chiefly for making guns, gunmetal was superseded by steel. Gunmetal is a type of bronze--an alloy of copper, tin, and zinc.
Gunmetal is a type of bronze--an alloy of copper, tin, and zinc. Originally used chiefly for making guns, gunmetal was superseded by steel.
Gunmetal is a type of bronze--an alloy of copper, tin, and zinc. Originally used chiefly for making guns, gunmetal was superseded by steel.