Check out 2S7 Pion 3D model on CGTrader for $139. High-quality Subdivision ready mesh by MrFrezzy: 827691 polys, 818934 vertices.
OBJ (OBJ, filesize: 16.3 MB), 3DS (3D Studio, filesize: 2.19 MB), MA (Autodesk Maya, filesize: 16.3 MB), MEL (Maya Mel Script, filesize: 16.3 MB), FBX (Autodesk FBX, filesize: 22.1 MB), MAX (Autodesk 3ds Max, filesize: 124 MB), C4D (Cinema 4D, filesize: 6.66 MB), BLEND (Blender, filesize: 13.3 MB)