I currently have Overpowered Chicken Splitter,
http://www.wowhead.com/item=59364


I'm currently only playing normal dungeons (and have enough trouble with those), will this weapon I've seen on AH be an upgrade for me?
Crossfire Carbine, http://www.wowhead.com/item=60210


I know it's not a real hunter weapon, but if I'm only playing normal dungeons and battlegrounds, is this the best damage output my hunter can get?