The effect is staggering. The weapon is tremendous. Homura has been accused of overkill before, with her affinity for explosives and bombs, but when she considers the number of the enemy ahead of them-

It doesn't seem excessive at all. These creatures are caught in her trap. This time, she notes with irony, the weapons are given into her hands instead of waiting for her to steal them. She has need of them either way; how she acquires them is not the important part.