Magnum Research, the manufacturer of the Desert Eagle .50 AE, provides lists of licensed gun dealers who sell the Desert Eagle in each state. Alternatively, Bud's Gun Shop offers Desert Eagles for sale online that may be shipped to any local FFL dealer.
Other options for buying a Desert Eagle .50 AE include websites such as ArmsList.com, which provides local listings for private sales of firearms in every state. GunsAmerica.com hosts online advertisements for Desert Eagles from private sellers and gun dealers that can be shipped to an FFL dealer. GunBroker.com offers similar services for buying and selling Desert Eagles and other firearms.