In Reply to: customs regulations for BB guns.. posted by baliBBgun on Tuesday, 25. December 2007 at 20:06 Bali Time:
Maximum penalty for importing airsoft (BB) firearms without import approval is a fine not exceeding $250000 or 10 years imprisonment or both.
http://www.customs.gov.au/webdata/resources/files/airsoft1.pdf
http://www.customs.gov.au/webdata/resources/files/Importing_replica_firearms1.pdf
No I have not bought them in since they were prohibited and yes have had all luggage xrayed through Perth (several times over the last year or so)regardless of the time of the flight arrival.