It's been a long time since i was here, Oz laws on what is and is not a "firearm" pushed me out.
YouTube served this up today and i thought it might be of interest to some here.
750psi nitrogen cannon
Supersonic baseball cannon - For real
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hectmarr
- Corporal 5
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Very interesting weapon!
I am the author of the first semi-automatic hybrid, check this out 
...viewtopic.php?f=28&t=26676
And of the hybrid that can shoot in the shortest time: viewtopic.php?f=28&t=27190
...viewtopic.php?f=28&t=26676And of the hybrid that can shoot in the shortest time:
viewtopic.php?f=28&t=27190-
jackssmirkingrevenge
- Five Star General
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Great to see you're still around and boooooooooooooo!!! to Aussie gun law 
That was a great watch. this almost made me tumescent.
That was a great watch. this almost made me tumescent.
hectmarr wrote:You have to make many weapons, because this field is long and short life