Check out M9 bayonet - 5 skins - VideoGame ready Low-poly 3D model on CGTrader for $10. High-quality mesh by ilke100: 1736 polys, 1729 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 230 KB), FBX (Autodesk FBX, filesize: 2 GB), TEXTURES (Textures, filesize: 2.99 GB), PNG (PNG, filesize: 2 GB)