If bigger is better......

[Gottahaveone]

This is pretty cool from the aspect of the patience and skill it required to make it, but I'm not at all sure I'd wanna touch one off

http://izismile.com/2013/01/18/largest_revolver_ever_made_9_pics.html

 

[Honest John]

Well, since you wouldn't be holding it recoil wouldn't be a personal problem but I can't imagine how you'd mount it...
Thanks for posting that, it's interesting. I've seen miniatures before but never even thought of someone going in the other direction.

 

[Loyalist Dave]

Now you know what the Hulk or the Jolly Green Giant use for home defense, but I didn't think they needed something other than fists?

LD