The Open Country Long Range in 280 AI occupies a performance niche between .270 Win and 7mm Rem Mag — 280 AI velocity in a long-action short receiver with a 26-inch barrel in Kimber's premium ultralight chassis. Type: Rifle Action: Bolt-Action Caliber: 280 Ackley Improved Capacity: 4 Year introduced: 2021, USA Weight: 5.3 oz Overall length: 45.5" Status: Active Intended use: Hunting / Backcountry