Sahih Muslim Book 1, Hadith Number 330.

Chapter : Concerning Sidrat-ul-Muntabi (remotest Lote tree).

Al-Shaibini reported to us: I asked Zirr b. Hubaish about the words of Allah (the Mighty and Great): “So he was (at a distance) of two bows or nearer” (al-Qur’an, liii 8). He said: Ibn Mas’ud informed me that, verily, the Apostle of Allah (may peace be upon him) saw Gabriel and he had six hundred wings.