$2 M4A1 Carbine Low-poly 3D model by ModelsByAT. Available on CGTrader with 9998 polys and 5174 vertices. Geometry: Polygon mesh. Check it out on CGHub.
OBJ (OBJ, filesize: 1.27 MB), FBX (Autodesk FBX, filesize: 488 KB), DAE (Collada, filesize: 2.68 MB), 3DS (3D Studio, filesize: 283 KB), BLEND (Blender, filesize: 1.88 MB), TEXTURES (Textures, filesize: 8.21 KB), ABC (Alembic, filesize: 626 KB)