Check out Type 38 Kai 75 mm field gun Low-poly 3D model on CGTrader for $40. High-quality mesh by OK3D: 27187 polys, 27173 vertices. PBR, Textured, UV Mapped.
BLEND (Blender, filesize: 209 MB), OBJ (OBJ, filesize: 209 MB), FBX (Autodesk FBX, filesize: 209 MB), PNG (PNG, filesize: 209 MB)