Jami` at-Tirmidhi 1668
جامع الترمذي#1668Sahihحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، وَأَحْمَدُ بْنُ نَصْرٍ النَّيْسَابُورِيُّ، وَغَيْرُ، وَاحِدٍ، قَالُوا حَدَّثَنَا صَفْوَانُ بْنُ عِيسَى، حَدَّثَنَا مُحَمَّدُ بْنُ عَجْلاَنَ، عَنِ الْقَعْقَاعِ بْنِ حَكِيمٍ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " مَا يَجِدُ الشَّهِيدُ مِنْ مَسِّ الْقَتْلِ إِلاَّ كَمَا يَجِدُ أَحَدُكُمْ مِنْ مَسِّ الْقَرْصَةِ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ غَرِيبٌ .
Narrated Abu Hurairah: That the Messenger of Allah (ﷺ) said: "The martyr does not sense the touch of death except as one of you senses the touch of a (bug) bite. [Abu 'Eisa said:] This Hadith is Hasan Gharib Sahih
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 22:51