The MPR in 28 Nosler offers one of the highest-velocity production rifle options — the 28 Nosler pushes 175-grain .284 caliber bullets to nearly 3,000 fps. A long-action magnum in Christensen's carbon fiber precision chassis. Type: Rifle Action: Bolt-Action Caliber: 28 Nosler Capacity: 5 Year introduced: 2020, USA Weight: 147.2 oz Overall length: 50.5" Status: Active Intended use: Hunting, Precision Shooting