The following links download OBJ files. These are pre-compiled model files.
These files are important because Photoshop can open these files and show you the UV Map of the model allowing you to skin it easily.
Weapons: https://downloads.warzone.gg/SkinAssets/warzone_weapon_obj_v3.zip
Knives: https://downloads.warzone.gg/SkinAssets/warzone_knife_obj_v3.zip
Gloves: https://downloads.warzone.gg/SkinAssets/warzone_gloves_obj_v2.zip