The actual weapon has been made for the New Vegas nexus and can be found here > http://www.nexusmods.com/newvegas/mods/35752/?
My friend SkyCrap has successfully ported the textures and meshes into this game, but they are a mess and we need help from a specialist who is a pro at Nifskope and knows how gun meshes, shading, specular maps, all that other complicated stuff works. If anyone is a pro, send him a message and please help us get the TRUE look of this Flamer Pistol into the game. Your help will not go unnoticed as I will put you down on the thanks, credits, etc. etc.
(Oh and we also need specialist help for my MEC Gauss Minigun mod!)
help flamer 4 weap
It should be at the very bottom saying "Flamer Pistol"
Note: Keep the huge pro tank on it as it's the only thing making the weapon use Flamer Fuel instead of Alien Blaster Rounds.
2nd Note: Hmm it also seems that a Flamer Pistol didn't exist on this site before I put this up so I guess just like my Holy Hand Grenade of Antioch mod, it will be my honor to bring the Flamer Pistol into this game.