The Prophet ﷺ used to grant an extra share from the spoils of one-quarter at the outset of an expedition and one-third on the return journey.
حدثني محمد بن بشار حدثنا عبد الرحمن بن مهدي حدثنا سفيان عن عبد الرحمن بن الحارث عن سليمان بن موسى عن مكحول عن أبي سلام عن أبي أمامة
أن النبي ﷺ كان ينفل في البدأة الربع وفي القفول الثلث
Reference, [sahih]. Ibn Majah also recorded it in the book of jihad, chapter on additional spoils, no. 2852, from the hadith of Sufyan. Abu Dawud, no. 2750, and others also recorded it.On this topic there is also a report from Ibn Abbas, narrated by Thawri with the same wording.This hadith has a hasan corroborating witness in the hadith that follows it, no. 1561b, and from Habib bin Maslama [Abu Dawud, no. 2749, 2750], and from Maen bin Yazid [Abu Dawud, no. 2753, 2754], and from Ibn Umar [Bukhari, no. 3134, 3135, and Muslim, no. 1750, 1749], and from Salama bin Akwa [Bukhari, no. 3051, and Muslim, no. 1754, 1755].The hadith of Ibn Abbas was narrated by Ibn Majah, no. 2808, from the hadith of Abdul-Rahman bin Abu Zinad, with the same wording.