A Rockliff government spokesperson said it would "always consider any proposal to keep Tasmanians safe".

"It's important to have a national approach on this issue and we'd support it being discussed at the national cabinet," they said.

The comments come as Queensland Police Minister Mark Ryan said he would support a national gun register on Monday.

Last Thursday, Queensland premier Anastacia Palaszczuk said she would raise it at the next national cabinet meeting early next year.

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First introduced as part of the National Firearms Agreement in 1996, all states and territories agreed upon a national firearms registry at the time, but it failed to materialise in the following years.

Hobart-based gun-reform advocate Roland Browne says a national firearm registry was at least 25 years overdue.

Mr Browne, who is vice president of Gun Control Australia, said the current system for collating state and federal gun data - the Australian Firearm Information Network - was a "second best arrangement".

AFIN collates data from state and federal archives but has not attracted support from every state and territory.

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"We have a national registration system for companies and for trucks, and yet we can't have one for firearms," Mr Browne said.

However, despite supporting a federal database, he said in the case of the Queensland shooting, the issue was around the legality of the firearms used, not whether they were registered.

"The big question is how did they have guns if they didn't have licences?" he said.

"How did they get the guns; how did they get through the licensing system; how could they possibly be fit to hold gun licences - these are the questions that need to go forward to the national cabinet."

But Tasmanian Shooters, Fishers and Farmers firearm spokesperson Carlo Di Falco said a national registry would be a "pointless exercise".

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"The problem I have with registries is they achieve nothing, they're an expensive drain on taxpayers' money, and they've never been pivotal in actually solving a crime," Mr Di Falco said.

"If [a firearm] is in the hands of someone who shouldn't have it, it's irrelevant whether it was stolen or whether it was unregistered."

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