$8 Vector Optics Frenzy Red Dot Sight Low-poly 3D model by Sided. Available on CGTrader with 5968 polys and 3069 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 233 KB), OBJ (OBJ, filesize: 111 KB), FBX (Autodesk FBX, filesize: 182 KB), MAX (Autodesk 3ds Max, filesize: 262 KB), MA (Autodesk Maya, filesize: 400 KB), TEXTURES (Textures, filesize: 53.9 MB)