From what I'm aware it doesn't drop since bows dont do melee damage. Even if they did you'd be better off running an Agility, Masters or Maelstrom bow in it's place since you'd be getting 0 benefit from running a Vipers bow.
Tan9oSuccka wrote: »I wouldn’t spend any time farming this set.
The PVP crowd completely abused the crud out of it.
Zenimax obliterated it with the nerf hammer and lit the pieces on fire after.