Federated Arms 454 DA "Super Chief"

Federated Arms 454 DA "Super Chief" is pistol originally conceived with handgun hunters in mind, the Super Chief is a double-action revolver finished in stainless steel and chambered for the .454 Casull, a cutdown big-game cartridge specifically designed for large animals. A big success with people who like the challenge of handgun hunting, this weapon has also proven itself as a real manstopper when the situation warrants. It's also a very popular Nomad weapon.

Source

 * Chromebook Volume 1, pg.52
 * Blackhand's Street Weapons, pg.16