Fullmetal Alchemist, a manga/anime series.

Full Metal Jacket, a 1987 film by Stanley Kubrick

Full Metal Panic!, a manga/anime series.

Cyberbots: Full Metal Madness, a Capcom mecha fighting game, sequel to Armored Warriors

Full metal jacket bullet, a bullet that is encased in a copper-coated steel or gilding metal jacket

Full Metal, the main character's title in Fullmetal Alchemist

Full Metal Mayhem, a variation used in Total Nonstop Action Wrestling of the Tables, Ladders, and Chairs match