There appears to be only a few small shipments coming in here, at this time. Nobody with the cash to buy in bulk is interested, I suspect.

Unlike Canada - they are getting a lot of Mausers in, for some 'read and weep' prices, by our standards.

Have a look around on these websites for an idea:

http://www.marstar.ca/main/rifles.shtm

http://www.shop.tradeexcanada.com/produits/64

FWIW, it would be significantly cheaper to export from Canada than the US to Oz, for one-offs.