Check out Sight PBR game ready Low-poly 3D model rifle scope Low-poly 3D model on CGTrader for $15. High-quality mesh by joehigashi: 3647 polys. PBR, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 937 KB), FBX (Autodesk FBX, filesize: 423 KB), MAX (Autodesk 3ds Max, filesize: 1.21 MB), MA (Autodesk Maya, filesize: 937 KB), TEXTURES (Textures, filesize: 14.2 MB)