The Weatherby Mark V Carbonmark is a lightweight precision hunting rifle chambered in .338-378 Weatherby Magnum with a 26-inch carbon fiber-wrapped barrel. The Carbonmark uses a carbon fiber reinforced composite stock and fluted barrel to reduce weight while maintaining accuracy. One of the hardest-hitting factory hunting rifles available. Type: Rifle Action: Bolt-Action Caliber: .338-378 Wby Mag Capacity: 3 Year introduced: 2018, USA Weight: 7.9 oz Overall length: 46.5" Status: Active Intended use: big game hunting, dangerous game