Browning X-Bolt Pro SPR Features The X-Bolt Pro SPR Tungsten is engineered for excellence. Its 20-inch steel fluted sporter barrel, finished with Carbon Gray Elite Cerakote, offers exceptional resistance to the elements and reduces glare, crucial for field use. The rifle is equipped with a Recoil Hawg Muzzle Brake, significantly reducing felt recoil, which is particularly beneficial for precision shooting and comfort during extended use. The 1:8" twist rate of the barrel is ideal for stabilizing a variety of bullet weights, enhancing the rifle's versatility in different shooting scenarios.