The "machine gun Low-poly 3D model 5" 3D asset is currently listed under the authorship of "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
OBJ (OBJ, filesize: 11.8 MB), BLEND (Blender, filesize: 180 MB), TBSCENE (Marmoset Toolbag, filesize: 17.3 MB), FBX (Autodesk FBX, filesize: 134 MB), GLTF (glTF, filesize: 23.8 MB), TEXTURES (Textures, filesize: 167 MB), 3DM (Rhinoceros 3D, filesize: 33.7 MB), MAX (Autodesk 3ds Max, filesize: 35.3 MB)