Montana Rifle Company American Legends Rifle (ALR) in 280 Ackley Improved. The 280 AI is the result of P.O. Ackley's fire-forming improvement of the 280 Rem, producing a 40-degree shoulder and significantly improved case capacity. Standardized as a SAAMI cartridge in 2007, the 280 AI pushes 7mm bullets approximately 100-150 fps faster than the parent case. MRC's precision action is an ideal platform for this increasingly popular hunting cartridge. Type: Rifle Action: Bolt-Action Caliber: 280 Ackley Improved Capacity: 1 Year introduced: 2012, USA Weight: 62 oz Overall length: 43.5" Status: Active Intended use: hunting