Description
Underwood Ammo .50 Action Express ammunition uses a 300 grain JHP bullet at 1580 fps for a muzzle energy of 1663 ft lbs. It is new production, non-corrosive, and boxer primed for reloadable nickel plated brass cases. This load is designed to be supersonic. The bullet contains lead, and the cartridge is also described as safe to use in a suppressor. Use notes in the material also reference hunting and self-defense applications.
Key details
- Boxer primed, non-corrosive, reloadable nickel plated brass cases
- 300 grain JHP bullet
- 1580 fps muzzle velocity, 1663 ft lbs muzzle energy
- Supersonic load
- Described as suppressor safe
Specifications
| Caliber | .50 Action Express |
|---|---|
| Bullet Weight | 300 gr |
| Bullet Type | JHP |
| Rounds per Box | 20 rounds |
| Primer Type | Boxer primed |
| Case Material | Nickel plated brass |
| Muzzle Velocity | 1580 fps |
| Muzzle Energy | 1663 ft lbs |



