Musnad Ahmad 26:233

Hassan ibn Musa narrated to us, Zuhayr narrated to us, Abu Ishaq al-Shaybani narrated to us, he said: I came to Zirr ibn Hubaysh—and I was wearing two garments, and he cast upon me a cloak of his—and there were young men with him. They said to me: "Ask him about: {And was at a distance of two bows' length or nearer} [An-Najm: 9]?" So I asked him, and he said: Abdullah ibn Mas'ud narrated to us: "That the Messenger of Allah, may Allah bless him and grant him peace, saw Gabriel, peace be upon him, and he had six hundred wings."