Good revue, But I'll add some Australian info why it wont sell down here.

Semi Auto is illegal here. (except for pistols)
We have a maximum legal limit of 5 round magazine. (except for pistols)
Folding stock is illegal in South Australia, and I think all other Australin states.
The state of Western Australia has banned all firearms using 'military amunition' so the 223 is illegal there.