Sunan al-Darimi · Hadith 1090

قَالَ : وَقَالَ أَبُو إِسْحَاق :" حَجَّ قَبْلَ هِجْرَتِهِ حَجَّةً "

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).