Check out PBR PU Scope Low-poly 3D model on CGTrader for $15. High-quality mesh by steffe-engdahl: 5705 polys, 3235 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 967 KB), MA (Autodesk Maya, filesize: 569 KB), FBX (Autodesk FBX, filesize: 564 KB), DAE (Collada, filesize: 891 KB)