The Browning X-Bolt Mountain Pro Long Range Tungsten 6.5 PRC Bolt-Action Rifle has a fluted tungsten barrel and an X-Lock scope mounting system. There is also a Recoil Hawg muzzle brake and a tungsten receiver. Browning X-Bolt Mountain Pro Long Range Tungsten 6.5 PRC Bolt-Action Rifle - Rifles Center Fire at Academy Sports