The improved sniper barrel provides exceptional damage and superior range in exchange for worse recoil and poor ammo capacity and hip-fire accuracy.
There are three red lights on the barrel. Wait for all three to illuminate to deal maximum damage when firing.
The recipe for this weapon mod varies depending on the weapon for which it is made:
Fiber optics (16-6)
Improved sniper barrel (1)
Crafted at a weapons workbench.