The problem with this argument is that guns would do little to counteract an oppressive government. What about the airplanes, the navy, the artillery that our military possess? Guns are hardly a "final check against the formation of a potentially oppressive regime."
>>nerfha+v1
It is different in many other ways too. For example, the people American soldiers are shooting at (for the most part) speak another language, have a different religion, have a different culture, and look different.