Check out Vietnam War US Soldier Low-poly 3D model on CGTrader for $30. High-quality mesh by 3D3DO-Studio: 54561 polys. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 4.19 MB), MA (Autodesk Maya, filesize: 119 MB), FBX (Autodesk FBX, filesize: 1.56 MB)