Underwood Ammo 509 50Ae 300Gr Full Metal Jacket 20 Per Box/10 Case
$37.50
The Underwood Ammo 509 50AE 300Gr Full Metal Jacket round delivers serious power in a cartridge built for shooters who demand performance. Loaded to 1580 feet per second with 1663 foot-pounds of muzzle energy, this .50 Action Express ammunition combines stopping force with proven reliability for hunting and self-defense applications. The 300-grain copper-lead projectile is housed in non-corrosive boxer-primed brass cases, making these rounds reloadable and suitable for the handloader who wants to get the most out of every purchase.
Built tough for the .50 AE platform, these rounds are manufactured by Underwood Ammo to their known quality standards. The full metal jacket construction ensures consistent feeding and penetration, while the supersonic velocity keeps energy downrange. Whether you're running a Desert Eagle or another .50 AE platform, each box contains 20 ready-to-shoot rounds engineered for reliable performance on the range or in the field.
Underwood has also designed this load to be suppressor-safe, giving you options if you run a can downrange. The brass cases are reloadable, so if you're in the handloading game, you've got fresh brass to work with after the range trip.
Key Features
- 300-grain full metal jacket bullet for consistent performance
- Non-corrosive boxer-primed brass cases—reloadable
- 1580 feet per second velocity, 1663 foot-pounds of muzzle energy
- Supersonic load for reliable function and terminal performance
- Suppressor-safe design
- 20 rounds per box, 10 boxes per case
Specifications
| Caliber | .50 Action Express (.50 AE) |
| Bullet Weight | 300 grains |
| Bullet Material | Copper-lead alloy |
| Bullet Type | Full Metal Jacket (FMJ) |
| Muzzle Velocity | 1580 feet per second |
| Muzzle Energy | 1663 foot-pounds |
| Case Type | Brass, non-corrosive |
| Primer Type | Boxer (reloadable) |
| Rounds Per Box | 20 |
| Boxes Per Case | 10 |
| Sectional Density | 0.171 |
| Suppressor Compatible | Yes |
| Manufacturer | Underwood Ammo |
Frequently Asked Questions
Is this .50 AE ammo safe to use in a suppressor?
Yes. Underwood specifically designed this load to be suppressor-safe, so if you're running a can on your .50 AE, you can use these rounds without concern.
Can I reload the brass cases?
Yes. These rounds are loaded in non-corrosive boxer-primed brass cases, which are fully reloadable. After you shoot them, you can process and reload the brass yourself.
What's the velocity and energy of this round?
The 300-grain FMJ leaves the barrel at 1580 feet per second and carries 1663 foot-pounds of muzzle energy—a supersonic load designed for reliable performance on hunting and self-defense applications.
How many rounds are in a case?
Each case contains 10 boxes of 20 rounds each, for a total of 200 rounds per case.
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