You're in here advocating to restrict people's freedom, but I'll bite, what precisely did you do for my freedom? Would you say I'm more or less free now than I was before you did whatever you did? Did you actually take an oath to defend and uphold the Constitution of the United States? Have you read it? Do you understand what it means?
Beyond that every man is supposed to register with selective service at 18 years old which means they are eligible to be drafted, handed a machine gun, and sent off to some meat grinder. Furthermore, all able bodied men between ages 17 and 45 are also by law part of the unorganized militia who can be called up by the legislature of the United States or the legislatures of any of the several states to repel invasion or suppress insurrection if needed. Source USC §246 and most states have their own provisions in law or their constitutions for their legislatures mobilizing their militias.
But either way, the entire premise of our nation is that all men are created equal, which is a concise way of saying that there is no lord, king, or knight who has more rights than the next bloke just due to gynecological happenstance of coming from the right family or having his nose up the arse of someone who did. Or in other words, if the King of England has some right that is a right of all free men, given by God.
I would argue that voting is far more dangerous than any infantry armaments and we should probably start aggressively restricting who is allowed to partake in that.