Hi, Been playing for a short while and I cam across 2 guns that I know of that seem to be missing the textures, they have the red and white ! when I see them in the world.

Pretty sure they are added by a mod but not sure which one, I would post my load order but I'm currently not able to get on my gaming pc but I will post it later.

If any one knows what mod it is the 2 guns I've seen this with are the "Snow Gun" and the "Resak" I think thats what they were called.

Not familiar with those names, but what you are seeing means their models are missing. If it was textures you'd see the models, but in solid purple. The first two digits in the guns' id shows what plugin in your load order they are from, so try to reinstall that mod.

I should be able to find that through FNV Edit right?

In game, i meant. You see a NPC wielding a huge !, open console, click on him and type inv. The game shows the items in his inventory, including the ids for them.

Well so far I havnt seen any NPC's with that, I have only seen these guns for sale and in a container.

Inv command also works for containers. And you can pick one up and drop it, despite seeing the error mesh you should be able to click on it with console open, and it's name and code are displayed on top of the screen (if there is no name, you missed it).