Very simple; I'm trying to export a viewmodel for a Garry's Mod Addon, but only the animations are exporting, with the model just... not existing?

https://imgur.com/wBsUxX3 - My Blender Setup, note how there is a weapon.
https://imgur.com/ole7YuZ - The viewmodel when exported into Garry's Mod, note how the weapon is... gone? That's weird.

I'm pretty new to this, and would very much appreciate help.