Here is the ammunition, ordered for the Tornado, which will probably be used by the Typhoon.
http://www.rheinmetall-defence.com/i...ang=3&fid=3802
The British armed forces have awarded Rheinmetall a €24 million contract for 244,000 rounds of FAP 27 mm x 145 aircraft ammunition. Earmarked for the Royal Air Force's Tornado fighter aircraft the ammunition will be used for training and combat operations alike. It will be delivered in series during the period 2008-2010.