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'''.50 Action Express''' is a type of [[ammunition]] for firearms. It is classified as a <span style="color:#0000AA">'''(P)'''</span>istol caliber. The first firearm to be chambered in .50 AE , and was originally designed for the [[AMT Automag V]]Desert Eagle, but it was popularized by in order to provide the pistol platform with a [[IMI Desert Eagle Mark XIX 50|Desert Eagle.50 caliber option]], which has since become the most popular and widely portrayed version of this handgun.
.50 is pronounced ''fifty Action Express''.