AR-15 pattern rifle chambered in the proprietary .50 Beowulf cartridge developed by Alexander Arms. 16-inch barrel. Fires a 335-400 grain projectile at subsonic to moderate velocities. Uses a rebated rim for standard AR bolt face compatibility. Type: Rifle Action: Semi-Automatic Caliber: .50 Beowulf Capacity: 7 Year introduced: 2001, USA Weight: 8.5 oz Overall length: 35" Status: Active Intended use: Hunting / Home Defense