I am a big fan of the Furious barrel, it's the most efficient barrel i have and it shoots straight as an arrow. I dont understand those haters. UL is good barrels too, but if i had to choose i would go Furious, no doubt.
Let me add that i have had several UL's and i have several Furious now.
Macdev Clone VX 73/45 Safer w/Ninja SLP
Macdev Drone 2 90/45 Dye/Safer w/Ninja v2 Pro
Virtue Spire 260