Regarding the Verses: 'And was at a distance of but two bow-lengths or (even) nearer;
So did (Allah) convey the Inspiration to His slave (Gabriel) and then he Gabriel) conveyed (that to Muhammad...' (53.9-10) Ibn Mas'ud narrated to us that the Prophet had seen Gabriel with six hundred wings.
• Sahih al-Bukhari, Vol. 6, Book of Prophetic Commentary on the Qur'an, Hadith 379
• Sahih al-Bukhari, Book of Prophetic Commentary on the Qur'an, Hadith 379