Kerj-3D
Very nice
Game ready model of a Vortex Razor HD Gen2-E 1-6x Low Power Variable Optic.
Free Geissele 30mm Scope Mount: https://www.cgtrader.com/free-3d-models/military/gun/geissele-super-precision-34mm-scope-mount-with-integrated-micro-red-dot-mount
The glass included is ready to be setup for both standard FOV zooming or RenderTarget zooming depending on your usage scenario.
4,096 x 4,096 texture maps are included for both UE4 and Unity5, along with the SubstancePainter workfile.
4,096 x 4,096 transparent TIF of the JM-1 BDC reticle properly centered is included.