I'd take it off and sell it separate. I just bought a rifle that had the same type 2X7 Leupold scope on it. I paid a fair price for the rifle alone. Never gave the scope a bit of consideration. It was just there.
I'd likely put the same scope on the rifle if it wasn't already there, because it is one of my favorite scopes. I just already had a scope for the rifle, so it added no value to the deal for me.
