If you want to go really high on your carb level, you can consider carbing in plastic. There are half liter, liter and two liter plastic amber bottles available. Or you can use clear and keep it out of the light. Just a thought.
My German half liter glass bottles (capped and flippies) handle a lot of pressure, but I keg most of the time any more, so I don't know their rating in terms of carb volume.