Check out BAR M1918 A2 Low-poly 3D model on CGTrader for $8.99. High-quality mesh by M3DT: 6908 polys, 3596 vertices. PBR.
OBJ (OBJ, filesize: 151 KB), DAE (Collada, filesize: 216 KB), BLEND (Blender, filesize: 256 KB), FBX (Autodesk FBX, filesize: 299 KB)