Nemesis Minigun 3D model is available on CGTrader for $37. Original author: EFC. Specs: 688901 polys, 688860 verts.
MAX (Autodesk 3ds Max, filesize: 143 MB), OBJ (OBJ, filesize: 143 MB), FBX (Autodesk FBX, filesize: 143 MB), STL (Stereolithography, filesize: 143 MB)