Sahih Muslim 4586
صحيح مسلم#4586Sahihحَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَأَبُو كَامِلٍ فُضَيْلُ بْنُ حُسَيْنٍ كِلاَهُمَا عَنْ سُلَيْمٍ، قَالَ يَحْيَى أَخْبَرَنَا سُلَيْمُ بْنُ أَخْضَرَ، عَنْ عُبَيْدِ اللَّهِ بْنِ عُمَرَ، حَدَّثَنَا نَافِعٌ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَسَمَ فِي النَّفَلِ لِلْفَرَسِ سَهْمَيْنِ وَلِلرَّجُلِ سَهْمًا .
It has been narrated on the authority of Ibn Umar that the Messenger of Allah (ﷺ) allowed two shares from the spoils to the horseman and one share to the footman
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 32:67