X-Bolt Hell's Canyon in 280 Ackley Improved. A-TACS AU camo, burnt bronze Cerakote, 24" threaded barrel. The 280 AI adds significant velocity over standard 280 Rem — making this an outstanding elk rifle at western ranges. Type: Rifle Action: Bolt-Action Caliber: 280 Ackley Improved Capacity: 4 Year introduced: 2018, USA Weight: 100 oz Overall length: 44.5" Status: Active Intended use: Hunting, Big Game, Long Range