Hadith #2497 (Sunan Abi Dawud)
Book: Jihad (Kitab Al-Jihad)
Narrator(s): Abdullah bin Wahb عبد الله بن وهب بن مسلم القرشي, Ahmed bin 'Amr bin al-Sarh أحمد بن عمرو بن السرح أبو الطاهر, Sa'id bin Abi Ayoub سعيد بن أبي أيوب الخزاعي, Yahya bin Ayoub al-Ghafiqi يحيى بن أيوب الغافقي, Zban bin Fa'id زبان بن فائد
Grade: Sahih

‘Abd Allah bin Amr reported the Apostle of Allaah(ﷺ) as saying “No warlike party will go out to fight in Allaah’s path and gain booty without getting beforehand two-thirds of their rewards in the next world and one-third (of their reward) will remain. And if they do not gain booty, they will get their rewards in full.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-2497/