Star wars A280 Rifle Low-poly 3D model is available on CGTrader for $26. Original author: The3dHombre. Specs: 300000 polys, 300000 verts.
BLEND (Blender, filesize: 142 MB), OBJ (OBJ, filesize: 46.5 MB), FBX (Autodesk FBX, filesize: 17.9 MB), JPG (JPG, filesize: 110 MB), EXR (EXR, filesize: 110 MB), SPP (Substance Painter, filesize: 13.8 KB)