Check out Hand Grenade v3 Low-poly 3D model on CGTrader for $24. High-quality mesh by protuberanka: 1 polys, 1 vertices. PBR, Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 870 MB), OBJ (OBJ, filesize: 870 MB), FBX (Autodesk FBX, filesize: 870 MB), MAX (Autodesk 3ds Max, filesize: 870 MB), GLTF (glTF, filesize: 435 MB), TBSCENE (Marmoset Toolbag, filesize: 870 MB), USDZ (USDZ, filesize: 870 MB)