Nosler Model 21 in .27 Nosler, the fifth cartridge in Nosler's proprietary family. A 277-caliber magnum based on the .404 Jeffery case, delivering 270 Win-class bullet weights at dramatically higher velocities. Type: Rifle Action: Bolt-Action Caliber: .27 Nosler Capacity: 3 Year introduced: 2020, USA Weight: 52 oz Overall length: 46.5" Status: Active Intended use: Long-Range Hunting, Elk Hunting