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Common uses: Hunting, Self-Defense
| Type | pistol (centerfire) |
| Typical load | 300gr Hornady Custom XTP HP |
| Muzzle velocity | 1475 fps |
| Muzzle energy | 1450 ft-lb |
| Published G1 ballistic coefficient | 0.12 |
| Case length | 32.6 mm |
| Overall length | 40.9 mm |
| SAAMI max pressure | 35000 PSI |
| Common twist rate | 1:19" |
| Range (yd) | Velocity (fps) | Energy (ft-lb) | Drop (in) |
|---|---|---|---|
| 0 | 1475 | 1449 | -1.5 |
| 50 | 1249 | 1039 | 0.3 |
| 100 | 1088 | 789 | -3.5 |
| 150 | 987 | 649 | -14.6 |
A retained-energy reference only — not a shoot/don't-shoot distance. Real effective range depends on your accuracy, shot placement, bullet construction, and conditions. The ~1,000 ft-lb (deer-sized) and ~1,500 ft-lb (elk-sized) figures are commonly cited rules of thumb, not standards.
Your barrel, ammunition lot, and conditions will differ — always verify against the manufacturer's data and your own firearm.
The .50 AE is one of the most powerful pistol cartridges in regular production, firing a large .50-caliber bullet and delivering the kind of muzzle energy usually associated with rifles rather than handguns. In practice it lives almost entirely in the Desert Eagle, where the pistol's weight and gas system tame recoil that would be brutal in a lighter revolver, and it is prized more for its raw power and novelty than for practicality. It sees use for handgun hunting of medium and large game at short range and is sometimes carried for defense against dangerous animals, but heavy recoil, low magazine capacity, expensive ammunition, and bulky host guns keep it a specialty round. Its blunt, heavy bullets shed velocity quickly, so it is a close-range cartridge with a short effective reach rather than a flat-shooting one. For most shooters it remains a hard-hitting curiosity and range showpiece more than an everyday tool.
The .50 Action Express was developed in 1988 by Evan Whildin of Action Arms, who designed it to bring genuine .50-caliber power to a semi-automatic pistol. The case uses a rebated rim sharing the .44 Remington Magnum's rim diameter, a deliberate choice that let the round work through the same bolt face and made the Magnum Research Desert Eagle convertible between the two chamberings with only a barrel and magazine change. That gas-operated Desert Eagle became the cartridge's defining platform and the reason the .50 AE is so widely recognized today.
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