Sahih al-Bukhari 4856
Sahih al-Bukhari · Book 65: Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh)) · "And was at a distance of two bows' length or (even) nearer." (V.53:9)
Narrated `Abdullah:
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.
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 (ﷺ) had seen Gabriel with six hundred wings.