$12 XPS2 Holographic Red Dot Sight Aiming System Low-poly 3D model by Kerj-3D. Available on CGTrader with 6123 polys and 6047 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 500 MB), FBX (Autodesk FBX, filesize: 23 MB), UNITYPACKAGE (Unity 3D, filesize: 19 MB), UASSET (UnrealEngine, filesize: 23 MB), TEXTURES (Textures, filesize: 32.6 MB)