Check out Mig-21 soviet fighter jet Low-poly 3D model on CGTrader for $2. High-quality mesh by Nomad3D: 3878 polys, 4289 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 5.63 MB), OBJ (OBJ, filesize: 504 KB), FBX (Autodesk FBX, filesize: 319 KB), MAX (Autodesk 3ds Max, filesize: 5.63 MB)