مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2409
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that The Messenger of Allah (ﷺ) said concerning changing the order in which stoning the Jamrah, slaughtering the sacrifice and shaving the head are done: “There is no problem.”
Musnad Ahmad 2421Its isnad is saheeh, al-Bukhari (1734) and Muslim (1307)]