If you really want a carbon mast but are worried about shipping from offshore or exchange rates, call Ben Hall, Hall Spars, he races A cats and his company builds many carbon masts. Since a F16 Uni is very near an A cat, he should be able to figure out what you need for a mast and build you one. If it catches on, we all may buy one, so use that marketing idea to temper his price if you can.

Of course, he could build you a full wing sail for about $2,000 acording to his own posts. That would be much cheaper than a carbon mast and new mainsail.