| .50 Beowulf | ||
|---|---|---|
 5.56mm compared to .50 Beowulf cartridges. |
||
| Type | Rifle | |
| Place of origin | United States | |
| Specifications | ||
| Case type | Rebated rim, straight | |
| Bullet diameter | .500 in (12.7 mm) | |
| Neck diameter | .525 in (13.3 mm) | |
| Base diameter | .535 in (13.6 mm) | |
| Rim diameter | .445 in (11.3 mm) | |
| Case length | 1.65 in (42 mm) | |
| Overall length | 2.125 in (54.0 mm) | |
| Primer type | Large pistol | |
| Ballistic performance | ||
| Bullet weight/type | Velocity | Energy |
| 300 gr (19 g) Speer Gold Dot | 1,870 ft/s (570 m/s) | 2,330 ft·lbf (3,160 J) |
| 325 gr (21.1 g) Speer HP | 2,010 ft/s (610 m/s) | 2,916 ft·lbf (3,954 J) |
| 334 gr (21.6 g) Rainer FMJ | 1,980 ft/s (600 m/s) | 2,908 ft·lbf (3,943 J) |
| 334 gr (21.6 g) Rainer HP | 1,980 ft/s (600 m/s) | 2,908 ft·lbf (3,943 J) |
| 400 gr (26 g) Hawk SP | 1,875 ft/s (572 m/s) | 3,123 ft·lbf (4,234 J) |
| Test barrel length: 24 Source: Alexander Arms |
||
The .50 Beowulf is a rifle cartridge developed by Alexander Arms for use in a modified AR-15 rifle. The cartridge utilizes a rebated rim, sized to match the rim of the 7.62x39mm and 6.5 mm Grendel rounds. It is very similar in dimensions to the .500 S&W Magnum revolver cartridge.
See also
External links
- Alexander Arms website
- .50 Beowulf Enthusiast Website "50beowulf.com"
- "Alexander Arms .50 Beowulf", Jeff Quinn, Gunblast.com (online magazine), July 8, 2002
- "Alexander Arms' New 'Overwatch' .50 Beowulf", Jeff Quinn, Gunblast.com (online magazine), June 15, 2003
- "Alexander Arms .50 Beowulf: One Serious .499 Caliber Tactical Carbine", David Crane, Defense Review.com (online magazine), August 6, 2005
- "Fat man and little boy: a .50 caliber kick with .22 fun", Dave Anderson, Guns Magazine, November 2004
- "More Punch for the AR-15", Anthony G. Williams, The Cartridge Researcher, the bulletin of the European Cartridge Research Association, May 2005
- "2003 Shoot-out", John G. Roos, Armed Forces Journal, accessed December 10, 2006
- "Current king of AR big lead lobbers: The .50 Beowulf", Airborne Combat Engineer (online magazine), March 14, 2004
- "Evolution of an AR", David Fortier, Guns & Ammo, March 2005
- "BFR .50 Beowulf Revolver", Jeff Quinn, Gunblast.com (online magazine), March 12, 2004
