M9 Bayonet In Four Variations Low-poly 3D model is available on CGTrader for $4.99. Original author: viliamsk11. Specs: 5600 polys, 3100 verts.
BLEND (Blender, filesize: 6.11 MB), OBJ (OBJ, filesize: 1.62 MB), FBX (Autodesk FBX, filesize: 16.1 KB), TEXTURES (Textures, filesize: 185 MB)