Trijicon MRO Reflex Sight Low-poly 3D model is available on CGTrader for $10. Original author: olegnaches. Specs: 14791 polys.
OBJ (OBJ, filesize: 89.2 MB), FBX (Autodesk FBX, filesize: 44.6 MB), TEXTURES (Textures, filesize: 44.6 MB), OTHER (Other, filesize: 44.6 MB)