Check out PBR Chinese PGZ-04 Self-Propelled Anti-Aircraft SPAAG Low-poly 3D model on CGTrader for $32. High-quality mesh by ShuyangXi: 23765 polys, 25265 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 589 KB), 3DS (3D Studio, filesize: 543 KB), FBX (Autodesk FBX, filesize: 1.27 MB), SPP (Substance Painter, filesize: 390 MB), TEXTURES (Textures, filesize: 247 MB), EXR (EXR, filesize: 247 MB), JPG (JPG, filesize: 247 MB), MAX (Autodesk 3ds Max, filesize: 494 MB), PNG (PNG, filesize: 247 MB)