Sack was a participant in the 1996 , 2000 and 2004 Summer Olympics . In 1996 he achieved his best result with the air pistol over 10 meters with rank 8. At the Commonwealth Games in Manchester in 2002 , he won the bronze medal with the team. Four years later in Melbourne , Sack won bronze with an air pistol. In 2003, Sack was the African champion with the air pistol and pistol over 50 meters and won silver over the 25 meters in the same year. Ten years earlier, Sack had already won gold with the air pistol, and in 1997 silver over the 25 meters. At the Africa Games in Cairo in 1991 , there was also silver for sack.