Check out Medieval Cannon V04 New Low-poly 3D model on CGTrader for $3. High-quality mesh by RedBluePixelStudio: 11622 polys, 6004 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 4.06 MB), FBX (Autodesk FBX, filesize: 4.38 MB), PNG (PNG, filesize: 843 MB), OTHER (Other, filesize: 5.38 MB)