The Alexander Arms Beowulf is the original .50 Beowulf rifle, designed by Bill Alexander to deliver maximum short-range stopping power from the AR-15 platform. The 16-inch barrel drives 300-grain projectiles at over 1,800 fps, providing energy levels comparable to .45-70 Government. Type: Rifle Action: Semi-Automatic Caliber: .50 Beowulf Capacity: 7 Year introduced: 2001, USA Weight: 112 oz Overall length: 36" Status: Active Intended use: Home Defense, Hunting, Military, Law Enforcement