It will have an active homing range of 25 km. The missile has a pre-fragmented warhead and is fitted with a proximity fuze.
Astra has on-board ECCM capability allowing it to jam radar signals from an enemy surface-to-air battery, ensuring that the missile is not tracked or shot down.
The Mark 2 version of Astra will have a maximum range of 150 km and tail chase range of up to 35 km, and will feature shorter fins than the original Mark 1 design.