It wasnarrated that 'Amr bin 'Abasah said:
"I heard the Messenger ofAllah (ﷺ) say: 'Whoever shoots an arrow at the enemy and hisarrowreaches the enemy, whether it hits him or not, that isequivalent tohim freeing a slave.'" (ID)
English reference (ID): Vol. 4, Book 24, Hadith 2812 (ID)
Arabic reference (ID): Book 24, Hadith 2919 (ID)