I don't think there has ever been a Legendary shoot to loot weapon before. If there has been, it's probably pretty rare. This will be the first weapon I buy when HoW is released! You can see the sniper, and it's perks in DPJ's video: http://youtu.be/1EPMZkv8RCA
The sniper is around the 3:46 mark.
-
1 problem with that video [spoiler]DPJ[/spoiler]