$10 M4A1 Carbine Low-poly 3D model get 3D model by pitbullstudio3d. Available on CGTrader with 8424 polys and 4694 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 7.76 MB), OBJ (OBJ, filesize: 597 KB), FBX (Autodesk FBX, filesize: 487 KB), GLTF (glTF, filesize: 4.67 MB), DAE (Collada, filesize: 1.12 MB)