In al-Mu'jam al-Kabir this narration is recorded with this chain: Sayyiduna Imran bin Husayn (may Allah be pleased with him) narrated: Sayyiduna Abu Musa al-Ash'ari (may Allah be pleased with him) came to the Prophet (peace and blessings be upon him) and asked him for mounts to ride. After this the narrator mentioned the full hadith; that is, he referred it back to this long hadith of his. The chain of this narration contains a narrator, Ibrahim bin Muhammad bin Irq, whom Imam al-Dhahabi declared da'if (weak).