In the Israeli army “weapons purity” is the first rule of the proper use of weapons. It is a MORAL issue. But, there is NO moral equivalency between the illegitimate “taking up” of arms in rebellion, anarchy and murder (Matthew 26:52) and the legitimate “bearing” of arms by governing authorities in response to those actions (Romans 13:4).
WATCH this brief VIDEO by Asher on the imperative of making those distinctions. We need MORAL discernment.