$3 Ak 47 3D model by lucassp. Available on CGTrader with 85369 polys and 49492 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 5.52 MB), 3DS (3D Studio, filesize: 2.47 MB), FBX (Autodesk FBX, filesize: 2.92 MB), MAX (Autodesk 3ds Max, filesize: 3.54 MB)