Alexander Arms · Rifle · In Production · 2001
| Weight (empty) | 3650 g (128.8 oz) |
| Overall Length | 920 mm (36.22") |
| Barrel Length | 419 mm (16.50") |
| Magazine Capacity | 7 rounds |
| Action Type | Gas Operated Long Stroke |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 564 m/s (1850 fps) |
| Muzzle Energy | 3445 J (2541 ft·lbf) |
| Effective Range | 200 m (219 yd) |
| Frame Material | Aluminum |
Primary Caliber: .50 Beowulf
The Alexander Arms .50 Beowulf is a heavy-caliber AR-15 platform rifle chambered in the proprietary .50 Beowulf (12.7x42mm) cartridge developed by Bill Alexander. It was designed to give the AR-15 platform vehicle-stopping power for checkpoint and short-range defensive use, delivering bullet weights between 200 and 600 grains at typical muzzle energies above 3,000 joules. The rifle uses a standard AR-15 lower receiver mated to a dedicated upper, modified bolt with rebated rim bolt face, and sing...
Country of Origin: United States
Designer: Bill Alexander