.50 AZ(.50 Anti-zombie) is a high caliber pistol cartridge designed for engaging zombies.
The .50 AZ is based on the .50 Action Express that is used by Desert Eagle and Colt Anaconda. It deals higher damage and effective against zombies due to its high penetration power. It costs $70 each 7 rounds. The player could hold up to 35 rounds in normal modes.