And sorry no. If someone punches me in the face during a confrontation I have no right to kill that person. It would have to be one pretty rough fight before that’s justified — if even then. This kind of thing wasn’t even allowed in the proverbial “Wild West”. You don’t shoot an unarmed man and if you did you faced the gallows.

Cowboy Codes of the West: 6. Never shoot an unarmed man.