Check out 2x gun scope Low-poly 3D model on CGTrader for $2. High-quality mesh by keertisharma36: 3588 polys, 3601 vertices. PBR, Textured.
OBJ (OBJ, filesize: 137 KB), SPP (Substance Painter, filesize: 115 MB), MA (Autodesk Maya, filesize: 5.41 MB), FBX (Autodesk FBX, filesize: 186 KB)