Sahih al-Bukhari, Hadith 4856 ⓘ
Narrated `Abdullah: 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.
حَدَّثَنَا أَبُو النُّعْمَانِ، حَدَّثَنَا عَبْدُ الْوَاحِدِ، حَدَّثَنَا الشَّيْبَانِيُّ، قَالَ سَمِعْتُ زِرًّا، عَنْ عَبْدِ اللَّهِ، {فَكَانَ قَابَ قَوْسَيْنِ أَوْ أَدْنَى * فَأَوْحَى إِلَى عَبْدِهِ مَا أَوْحَى} قَالَ حَدَّثَنَا ابْنُ مَسْعُودٍ أَنَّهُ رَأَى جِبْرِيلَ لَهُ سِتُّمِائَةِ جَنَاحٍ.
also referenced under: Book 65, Hadith 4856 (In-Book) & Volume 6, Book 60, Hadith 379 (USC-MSA)