One of the first factory AR-15 rifles chambered in .224 Valkyrie with 18-inch barrel optimized for the cartridge's flat trajectory. Type: Rifle Action: Semi-Automatic Caliber: .224 Valkyrie Capacity: 30 Year introduced: 2018, USA Weight: 128 oz Overall length: 38" Status: Active Intended use: Precision Shooting, Varmint Hunting, Competition