Check out russian 2S19 Msta 152 mm self-propelled howitzer 3D model on CGTrader for $12.99. High-quality mesh by arsgera: 215295 polys, 112778 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 13.6 MB), BLEND (Blender, filesize: 12.9 MB), OBJ (OBJ, filesize: 10.7 MB), FBX (Autodesk FBX, filesize: 15.6 MB), C4D (Cinema 4D, filesize: 13.1 MB), STL (Stereolithography, filesize: 11 MB)