This has surely come up in the past, but the US right to bear arms was not unique in history at all. In fact, the 1689 Bill of Rights in England following the Glorious Revolution set the template in many ways, including rather obvious similarities in language for the US Bill of Rights, and one of the enumerated rights was that people not have their right to arms infringed by Royalty.
There are other clear parallels with the later American document here, including an independent judiciary and the forbidding of "cruel and unusual" punishments, freedom of speech, freedom to petition government: