(17) باب فِي الْغُلاَمِ يُصِيبُ الْحَدَّ
Ibn 'Umar said:
He was presented before the prophet (ﷺ) on the day of Uhd when he was fourteen years old, but he did not allow him (to participate in the battle). He was again presented before him on the day of Khandaq when he was fifteen years old, Then he allowed him.
Reference: Sunan Abi Dawud 4406
In-book reference: Book 40, Hadith 56
English translation: Book 39, Hadith 4392