We weren't sure about the Aussie laws considering shipping 'dummy rounds' out of the country.

We felt it might be easier for me to do it.

Con - it sounds as if you did this for Rule303. Can I not do the same for FatBoy404?

As far as crimping non-cannelured bullets goes, I'm doing it - with Lee Factory Crimp Dies. As you probably know, it cannot be done with a normal seating/crimp die without collapsing the case.