M1 A1 Abrams 3D model is available on CGTrader for $5. Original author: SalamSadeq. Specs: 270385 polys, 131706 verts.
BLEND (Blender, filesize: 31.5 MB), OBJ (OBJ, filesize: 29.3 MB), FBX (Autodesk FBX, filesize: 19.4 MB), STL (Stereolithography, filesize: 26.7 MB)