It is narrated from Sayyiduna Ibn Amr (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: "The warrior (ghazi) will receive only his own reward, but the one who equips the warrior will receive his own reward as well as the reward of the warrior."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 6624