Description
Underwood Ammo 518 ammunition is built for 50 Beowulf firearms, using a 350-grain JHP bullet. This load is boxer-primed and packaged 20 rounds per box. The bullet is copper-lead, non-corrosive, and is designed to be supersonic. Muzzle velocity is 1775 fps, and muzzle energy is 2449 ft-lb.
Key details
- Boxer-primed, reloadable brass cases
- 350 gr jacketed hollow point (JHP)
- Non-corrosive ammunition
- Supersonic load
- Ballistic coefficient (G1): 0.145
- Sectional density (SD): 0.2
- Designed for hunting and self-defense use
- Safe to use in a suppressor
Specifications
| Caliber | .50 Beowulf (12.7×42) |
|---|---|
| Bullet Weight | 350 gr |
| Bullet Type | JHP |
| Rounds per Box | 20 |
| Case Material | Brass |
| Primer Type | Boxer-primed |
| Muzzle Velocity | 1775 fps |
| Muzzle Energy | 2449 ft-lb |
| Ballistic Coefficient (G1) | 0.145 |
| Sectional Density (SD) | 0.2 |



