Autodesk 3ds Max (.max) Version: 2018 Renderer: V-Ray 3.6
Steel parts are blended with V-Ray blend material for a dusty surface. So you may change blending amount to make it look much more older easily. I also added 2016 and 2013 max file. all is archived and ready to use. hope you enjoy it.
including:2018 max archive2016-2013 max archiveparts seperated in material order (.fbx)whole cannon (.obj)parts seperated in material order (.obj)vray blend (.mat)standart material (.mat)vray material (.mat)