有合法喔...
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Gun laws in Australia (
https://en.wikipedia.org/wiki/Gun_laws_in_Australia)
As of 2015 about 815,000 people had a gun licence in Australia and there were around 3.5 to 5.5 million Registered Firearms in Australia. Most people own and use firearms for purposes such as hunting, controlling feral animals, collecting, security work, and target shooting.