Check out Weapon - Scope - 07 - Scope4X Low-poly 3D model on CGTrader for $25. High-quality mesh by TeoCG: 3820 polys, 3555 vertices. PBR, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 91.7 MB), BLEND (Blender, filesize: 91.7 MB), OBJ (OBJ, filesize: 91.7 MB), FBX (Autodesk FBX, filesize: 91.9 MB), MAX (Autodesk 3ds Max, filesize: 91.7 MB), TEXTURES (Textures, filesize: 91.7 MB), PNG (PNG, filesize: 91.7 MB)