Even 200+ light systems will be shot out. If you really don't want them to be "shot out" you could buy a real surefire with "shatter resistant" lens.
AFAIK there aren't any repros out there to handle the bb impact.
Best would be to make a home made protector of some kind.
You could run this LOL.
http://www.canadiantire.ca/en/pdp/ra...l#.U6egUvldXhA