One-fifth of Booty to the Cause of Allah (Khumus)
Bukhari :: Book 4 :: Volume 53 :: Hadith 363
Narrated Ibn 'Umar:
Allah's Apostle used to give extra share to some of the members of the Sariya he used to send, in addition to the shares they shared with the army in general.
Source materials are from the University of Southern California MSA site|
Hadith eBooks converted from Imaan Star