Over Shabbos, the streets of Y-m were full of massive signs featuring the face of the Chazon Ish, Zecher tzaddik v'kadosh l'vracha, and some excerpt of his stating that a Jew should never carry a gun.
Of course, this disregards the fact that the Chazon Ish was not consulted regarding these times, and therefore, no one can know what he would have held.