Check out Assault rifle Low-poly 3D model 11 3D model on CGTrader for $60. High-quality mesh by squarebagel: 23043 polys, 12276 vertices. Textured, UV Mapped.
MA (Autodesk Maya, filesize: 2.71 MB), OBJ (OBJ, filesize: 2.43 MB), FBX (Autodesk FBX, filesize: 829 KB), TEXTURES (Textures, filesize: 7.97 MB)