Your Favorite Weapon Model of All Time

I was skimming a thread the other day where players were linking some of their favorite weapon models, and I thought that would be a fun topic for a larger chat.

There's some truly magnificent weapon art po wow in Mists of Pandaria, and I'm definitely looking forward to picking up some pieces from the Throne of Thunder. Still, one of my all time favorites is the Wolfslayer Sniper Rifle. And I don't even have a level capped Hunter (I'm working on one though!). No special feels or anything. I've just always loved the way it looks.

How about you? If you had to pick just one, what's your favorite weapon model of all time? Why is it your favorite? Do you have any special memories attached to it, or do you just think it looks cool? Do you still have it or was it the 'one that got away'?