That’s powerful faith. It is something to think about. But if it only involved my life ... and didn’t put others at risk.
This is the John Piper video I was thinking of about whether Christians should carry guns:
https://www.youtube.com/watch?v=Bo3IEWmsfNY
To be fair, I think he would be ok with carrying a gun to protect others. But he’s clearly uncomfortable with Christians carrying firearms.