I'm sure everyone remembers http://www.furaffinity.net/view/4122937/
Well this is the updated version of it.
The previous version had parts that were glued on, so I took a knife to it and cut all the epoxy cement and epoxy putty of of it and screwed everything together.
As for how it works:
Instead of releasing a large gout of flame, this baby fires marble sized bolts of fire, that on impact with the target burst into a searing conflagration.