We went on a military expedition with the Messenger of Allah ﷺ against a people from Juhaynah, and they fought us fiercely. When we prayed Dhuhr, the polytheists said, "If we had launched a single charge against them, we could have cut them off." Then Jibreel informed the Messenger of Allah ﷺ of this. He then mentioned the rest of the hadith.
غزونا مع رسول الله ﷺ قوما من جهينة، فقاتلونا قتالا شديدا. فلما صلينا الظهر قال المشركون: لو ملنا عليهم ميلة لاقتطعناهم. فأخبر جبريل رسول الله ﷺ ذلك. فذكر الحديث.
Muslim narrated it in the Book of the Prayer of the Traveler (80:308), from Ahmad bin Abdullah bin Yunus, who said, "Zuhayr narrated to us, Abu Zubayr narrated to us, from Jabir," and he mentioned it. It will come in full in the chapter on the Prayer of Fear.