The Messenger of Allah ﷺ used to allot two shares for the horse and one share for its rider.In another wording, the Messenger of Allah ﷺ divided the spoils on the day of Khaybar, allotting two shares for the horse and one share for the foot soldier.Ubaydullah bin Umar al-Umari said that Nafi explained this, saying, "If a man has a horse with him, he receives three shares, but if he has no horse, he receives one share."
أن رسول الله ﷺ يجعل للفرس سهمين، ولصاحبه سهما. وفي لفظ: قسم رسول الله ﷺ يوم خيبر للفرس سهمين، وللراجل سهما. قال-أي عبيد الله بن عمر العمري-: فسره نافع، فقال: إذا كان مع الرجل فرس فله ثلاثة أسهم، فإن لم يكن له فرس فله سهم.
Bukhari narrated it in "Jihad" (2863) from Ubayd bin Ismail, from Abu Usama, from Ubaydullah, from Nafi, from Ibn Umar, and he related it with the first wording. He also narrated it in "Maghazi" (4228) via Zaida, from Ubaydullah bin Umar, with the same chain, with the second wording. Muslim narrated it in "Jihad" (1762:57) via Sulaym bin Akhdar, from Ubaydullah bin Umar, from Nafi, from Ibn Umar, that the Messenger of Allah ﷺ allotted, from the spoils, two shares for the horse and one share for the man. Abu Dawud narrated it (2733) from Ahmad bin Hanbal, and it is also in his Musnad (4448), from Abu Muawiya, from Ubaydullah, with this chain, with the wording, "The Messenger of Allah allotted the man and his horse three shares, one share for himself and two shares for his horse."The gist of these narrations is that the horseman has three shares, one for himself and two for his horse, while the foot soldier has one share. As for what has been narrated with the wording, "He allotted the horseman two shares and the foot soldier one share," this is not sound.Daraqutni narrated it (4/106) from Abu Bakr Nisaburi, who said, "Ahmad bin Mansur (that is, Ramadi) narrated to us, who said, Abu Bakr bin Abu Shayba narrated to us, who said, Abu Usama and Ibn Numayr narrated to us," and they said, "Ubaydullah narrated to us, from Nafi, from Ibn Umar," and he related it. Daraqutni said, "Nisaburi said to us, 'In my view this is a mistake from Ibn Abu Shayba, or from Ramadi, because Ahmad bin Hanbal and Abdul-Rahman bin Bishr and others narrated it from Ibn Numayr differently than this. And Ibn Karama and others narrated it from Abu Usama differently than this as well.'"I say, it appears that the mistake is from Ramadi, while Ibn Abu Shayba is cleared of responsibility for it, for he narrated it in his Musannaf (33841, 37212), and in the Musnad, as Hafiz mentioned in Fath al-Bari (6/68), with this same chain, saying, "Two shares for the horse." Likewise, Ibn Abu Asim narrated it in his book on jihad from Ibn Abu Shayba, as Hafiz also mentioned, though it is not found in the printed portion of it. On this basis, Ibn Abu Shayba is cleared of responsibility for this mistake.Daraqutni narrated it (4/106) via Naeem bin Hammad, from Ibn Mubarak, from Ubaydullah bin Umar, with this chain, with the wording, "He allotted the horseman two shares and the foot soldier one share." Nisaburi, the teacher of Daraqutni, said, "Perhaps the mistake is from Naeem, for Ibn Mubarak is among the most reliable of people."I say, this is supported by the fact that Ali bin Hasan bin Shaqiq, who is more reliable than Naeem, narrated it from Ibn Mubarak with the wording, "He allotted two shares for the horse," as Ibn Hajar mentioned in Fath al-Bari (6/68).Daraqutni narrated it (4/104, 107) via Hajjaj bin Minhal, from Hammad bin Salama, from Ubaydullah bin Umar, with the wording, "The Prophet ﷺ allotted the horseman two shares and the foot soldier one share." Daraqutni then said, "So he said!" And Nadr bin Muhammad differed with him regarding Hammad. I say, the narration of Nadr bin Muhammad bin Musa Yamami from Hammad, as found in Daraqutni (4/104), is also with the wording, "He allotted the horseman one share, and the horse two shares."Abdul-Razzaq narrated it (9320), and Ibn Adi (4/1460), via Abdullah bin Umar, from Nafi, with this chain, with the wording, "Two shares for the horseman." Bayhaqi said in Sunan al-Kubra (6/325), "Abdullah Umari makes many mistakes." This has also been narrated by another route, from Qanabi, from Abdullah Umari, with uncertainty as to whether it was "the horseman" or "the horse." Shafii said in his earlier view, "It is as though he heard Nafi say, 'Two shares for the horse and one share for the man,' and so he said, 'Two shares for the horseman and one share for the foot soldier.' None among the people of knowledge doubt the precedence of Ubaydullah bin Umar over his brother in memorization."As for what Daraqutni narrated in Mutalif wal-Mukhtalif, as cited in Nasb Raya (3/418), via Ahmad bin Abdul-Jabbar, who said, "Yunus bin Bukayr narrated to us, from Abdul-Rahman bin Amin, from Nafi, from Ibn Umar, that the Prophet ﷺ used to allot the horseman two shares and the foot soldier one share," its chain is not sound, for Abdul-Rahman bin Amin is one whose hadith is rejected, as Abu Hatim said, and Ahmad bin Abdul-Jabbar is also daif.