Erma EMP-35 (Subdivision ready 3D model) is available on CGTrader for $39. Original author: Polygate. Specs: 46471 polys, 47460 verts.
OBJ (OBJ, filesize: 18.4 MB), FBX (Autodesk FBX, filesize: 19.1 MB), C4D (Cinema 4D, filesize: 18.2 MB), MAX (Autodesk 3ds Max, filesize: 58.8 MB), MA (Autodesk Maya, filesize: 18.8 MB), MEL (Maya Mel Script, filesize: 18.8 MB), 3DS (3D Studio, filesize: 18 MB), BLEND (Blender, filesize: 18.4 MB)