Sunan an-Nasa'i 3125
سنن النسائي#3125SahihAbdullah bin 'Amr said:"I heard the Messenger of Allah (ﷺ) say: 'There is no raiding party that goes out in the cause of Allah and acquires some spoils of war, but they have been given two-thirds of their reward in this world instead of in the Hereafter, and there remains one-third (in the Hereafter). And if they do not acquire any spoils of war, then all of their reward (will come in the Hereafter)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 25:41