´Sad said:` "We returned during the Hajj with the Prophet and some of us said that they had stoned (the Jamarat) with seven stones, and other said that they had done so with six, and no one denounced anyone else."
Hadith ReferenceSunan an-Nasa'i / The Book of Hajj / Hadith: 3079
Hadith Gradingالألبانی:صحيح الإسناد | زبیر علی زئی:ضعيف، إسناده ضعيف، لانقطاعه مجاهد لم يدرك سعد بن أبى وقاص رضى الله عنه انوار الصحيفه، صفحه نمبر 344