Check out WW1 Mortar Free low-poly 3D model on CGTrader for free. High-quality mesh by we3d1234: 6274 polys, 6229 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 13.5 MB), FBX (Autodesk FBX, filesize: 13.5 MB), TEXTURES (Textures, filesize: 13.5 MB)