Im looking to buy a survival knife for camping, but i need to know where to buy one in penrith/ blu mtns / syd?

I'm looking for a survival knife for camping. However I can't seem to find any where that actually sells a decent range. I've looked at anaconda, bcf, rays outdoors, disposal store and king of knives. I need the store to be in Penrith, blue mountains or Sydney region, also online stores work but I need express post. Thnx for the help in adbance.