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Highest Rifle Velocity
5278 fps in .22-243 Middl.
5130 fps in .22-250 Ack Im

Most Powerfull Rifle
14412 ft-lbs in .700 NE
13109 ft-lbs in .50 BMG




.50 Action Express

The .50 Action Express (.50 AE) was developed in 1988 for the IMI Desert Eagle semi-auto pistol imported by Magnum Research, Inc. It is another development by Evan Whildin, then of Action Arms. It was part of a program to upgrade the performance of the semi-auto pistol through new cartridge design. The .50 AE has the same rim diameter, case length and overall length as the .44 Magnum. However, the base diameter is .547 inch, so like the .41 AEthe .50 AE has a rebated rim. The reason is so the cartridge can be chambered in the Desert Eagle pistol without making any changes in the basic design. The pistol is already chambered for the .44 Magnum, and by retaining the same rim diameter, the change in caliber to .50 AE will require only a new barrel. This is a very practical approach. 

This text is based on information from “Cartridges of the World”, Hodgdon reloading manual, the cartridge designer and/or own resources.

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Show all 16 loads

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    Bullet weight: Bullet name: Powder:    
300 grs
325 grs
350 grs
385 grs
Hodgdon H110
Hodgdon H4227
Vihtavuori N105
Vihtavuori N110
Vihtavuori N120

  Not yet verified user loads
ID: Bullet weight: Bullet name: Powder:
342 335 grs
rainier power pistol
23372 335 grs
Rainer IMR 4227
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