AK 47 Low Low-poly 3D model is available on CGTrader for $8. Original author: Banism. Specs: 2569 polys, 3568 verts.
OBJ (OBJ, filesize: 443 KB), FBX (Autodesk FBX, filesize: 216 KB), DAE (Collada, filesize: 705 KB), BLEND (Blender, filesize: 1.01 MB)