Sahih Muslim 432
صحيح مسلم#432SahihAl-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, Iiii 8). He said: Ibn Mas'ud informed me that, verily, the Messenger of Allah (ﷺ) saw Gabriel and he had six hundred wings
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:337