Hadith
وَحَدَّثَنِي أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا مُعْتَمِرُ بْنُ سُلَيْمَانَ، عَنْ كَهْمَسٍ، عَنِ ابْنِ بُرَيْدَةَ، عَنْ أَبِيهِ، أَنَّهُ قَالَ غَزَا مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم سِتَّ عَشْرَةَ غَزْوَةً .
It has been narrated by Buraida who heard it from his father that he joined the Messenger of Allah (ﷺ) in sixteen military campaigns
Sahih
Sahih Muslim 4696 ·Book 32, Hadith 178·Also available on sunnah.com·