The colonies were expected to defend themselves. In reality that meant every man possessed and drilled with arms whether the were part of a formal militia or not. If there was an attack people would be "called up" to the militia. There is no requirement of belonging to a formal militia in the 2nd amendment. While times have changed, it was expectated that you were proficient with arms in the case that a formal militia was required to be formed.
alt Hacker News
The colonies were expected to defend themselves. In reality that meant every man possessed and drilled with arms whether the were part of a formal militia or not. If there was an attack people would be "called up" to the militia. There is no requirement of belonging to a formal militia in the 2nd amendment. While times have changed, it was expectated that you were proficient with arms in the case that a formal militia was required to be formed.