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Overview Siege
For similar weapons, see AUG and AUG Para.

The F90, also known as the EF88, is an Australian descendent of the AUG A1 design intended for export, licensed by Steyr to Lithgow Arms. The original F88 rifle is a licensed copy of the Austrian Steyr AUG rifle, and it was produced in Australia at Australian Defense Industries factory in Lithgow. Today this same factory is operated by the Thales Australia, which developed EF88 / F90 rifle as a next weapon for Australian army, as well as for export.

While internally and externally the F90 is still close to Steyr AUG, it has many distinctive upgrades and changes, developed by Thales to fulfill current and near-future requirements of Australian armed forces.[1]