Australia still has the Steyr AUG, we have never used the SA80 / L85 that's a pommy rifle.
We make our own version of the AUG rifle in Australia, called the F88 Austeyr, made by ADI (Australia Defence Industries). It's been recently upgraded to the EF88 (Enhanced Steyr), fluted barrel, picatinny rail for optics etc. It's much nicer to shoot, but I think the old integrated carry handle with internal optics was tougher. You could slam the living stuffing out of it doing the obstacle course and it would still shoot fine immediately after.
You can also get a F88C carbine version with 16" barrel, about 28" total length. It handles like a sub machine gun, but it's a 5.56mm rifle with a 1:7 twist rifling for the SS109/M855 with steel penetrator, and the usual gas-piston action. It was issued to armoured and parachute units.
Here is the classic F88 on patrol.
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