The Desert Eagle in blued finish is the archetypal gas-operated, rotating-bolt semi-automatic chambered in .50 Action Express. Its gas-operated mechanism — borrowed from rifle design — is what makes it capable of handling the massive .50 AE round. The blued finish is the classic production variant and the most widely recognized. Type: Semi-Auto Pistol Action: Single-Action Caliber: .50 AE Capacity: 7 Year introduced: 1983, Israel Weight: 69.9 oz Overall length: 10.75" Status: Active Intended use: sport, collector, hunting