The BW Rifle-X is an unlockable reward weapon. It is unlocked by acquiring at least 13 rank S sniper rifles.
Like its blue counterpart, the BW Rifle-X is a long, slender sniper rifle. Unlike most reward weapons, however, the gun is only made up of two colors: black and red. It appears to possess a large scope that is cut down in the middle by a neon stripe. The front of the gun is covered in a strange, red glowing design. Three engravings can also be seen on the BW Rifle-X; one near the front, one above the magazine, and one on the gun's stock.
The BW Rifle-X can be unlocked with any of the following weapons:
*The Epic Sniper-101 can be used to unlock the BW Rifle-X, but it is not required.