DarkStudio
Nice model
Small but powerfull multi-purpose thermal optic from Trijicon / Oasys that cost mind-blowing 15k$... From videos I saw it is nice and fancy but still... 15K damn....
As for model it self it have one PBR Material in 4K + one separate for lenses in 2K (there is also FDE color in folder).
Tris:18K
Verts: 9K
Made in Blender.
Update:
-added clean FDE with black buttons