76-mm-gun military cannon Low-poly 3D model is available on CGTrader for $5. Original author: hoanguyen86. Specs: 2439 polys, 1577 verts.
OBJ (OBJ, filesize: 297 KB), TEXTURES (Textures, filesize: 11.5 KB), FBX (Autodesk FBX, filesize: 297 KB), MA (Autodesk Maya, filesize: 297 KB)