Sunan Abi Dawud 2960
سنن أبي داود#2960Sahihحَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا إِبْرَاهِيمُ، - يَعْنِي ابْنَ سَعْدٍ - حَدَّثَنَا ابْنُ شِهَابٍ، عَنْ عَبْدِ اللَّهِ بْنِ كَعْبِ بْنِ مَالِكٍ الأَنْصَارِيِّ، أَنَّ جَيْشًا، مِنَ الأَنْصَارِ كَانُوا بِأَرْضِ فَارِسَ مَعَ أَمِيرِهِمْ وَكَانَ عُمَرُ يُعْقِبُ الْجُيُوشَ فِي كُلِّ عَامٍ فَشُغِلَ عَنْهُمْ عُمَرُ فَلَمَّا مَرَّ الأَجَلُ قَفَلَ أَهْلُ ذَلِكَ الثَّغْرِ فَاشْتَدَّ عَلَيْهِمْ وَتَوَاعَدَهُمْ وَهُمْ أَصْحَابُ رَسُولِ اللَّهِ صلى الله عليه وسلم فَقَالُوا يَا عُمَرُ إِنَّكَ غَفَلْتَ عَنَّا وَتَرَكْتَ فِينَا الَّذِي أَمَرَ بِهِ رَسُولُ اللَّهِ صلى الله عليه وسلم مِنْ إِعْقَابِ بَعْضِ الْغَزِيَّةِ بَعْضًا .
Narrated 'Abd Allah b. Ka'b b. Malik al-Ansari:An expedition of the Ansar was operating in Persia with their leader. 'Umar used to send expeditions by turns every year, but he neglected them. When the expired, the people of expedition appointed on the frontier came back. He ('Umar) took serious action against them and threatened them, though they were the Companions of the Messenger of Allah (ﷺ). They said: 'Umar you neglected us, and abandoned the practice for which the Messenger of Allah (ﷺ) commanded to send the detachments by turns
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:
In-book reference: 20:33