"Acting as the horizontal counterpart to the Skyline, the Roll Flash Hider offers a huge -30% reduction to horizontal recoil and -25% buildup. It is designed to eliminate the erratic side-to-side movement of high-RPM rifles, though it penalizes vertical recoil by +15%. This trade-off is often favorable for skilled players who find it easier to pull down against vertical climb than to compensate for random horizontal drift. It is an excellent choice for smoothing out erratic spray patterns on Master-tier assault rifles."