How small of a drone is practical for dropping munitions before you just make the drone itself a kamikaze bomb? The RQ7 is at the margin where you really can't carry a serious bomb. One of the new small munitions like Viper Strike might fit but I would guess it will cut pretty heavy into range and endurance. That assumes it can get by that landing gear.
See 2:04 mark
https://www.youtube.com/watch?v=NXg_Yfj9xKw
See 2:04 mark
https://www.youtube.com/watch?v=NXg_Yfj9xKw