$29 Thompson 1928 Submachine gun 3D model by dragosburian. Available on CGTrader with 58979 polys and 61310 vertices. Geometry: Polygon mesh. Check it out on CGHub.
BLEND (Blender, filesize: 9.25 MB), OBJ (OBJ, filesize: 9.26 MB), 3DS (3D Studio, filesize: 529 KB), DAE (Collada, filesize: 10.4 MB)