The Prophet ﷺ said: The warrior gets his reward, and the one who equips him gets his own reward and that of the warrior.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لِلْغَازِي أَجْرُهُ وَلِلْجَاعِلِ أَجْرُهُ وَأَجْرُ الْغَازِي