Check out PPsH-41 Low Poly ak - rifle Low-poly 3D model on CGTrader for $10. High-quality mesh by CG-Dane: 26380 polys, 24197 vertices. PBR, Textured, UV Mapped.
BLEND (Blender, filesize: 4.28 MB), OBJ (OBJ, filesize: 3.61 MB), FBX (Autodesk FBX, filesize: 3.34 MB), GLTF (glTF, filesize: 249 MB), DAE (Collada, filesize: 6.41 MB)