M9 to Flamethrower possible ?

Just a simple question, because its possible to make a M9 to a minigun with super fast fire rate, but i personally hate the time you need until u can shoot, or the reload thing of the super knife which i found a little weird o.o so i think if we make a m9 to the superspy flamethrower with unlimited ammo and no reload it could be better then the minigun super knife. So what do you think about the idea, and is it possible to make a mod like that?

we have a M9 to Minigun.... Its called Super Knife...