Earlier quoted context omitted.
Still wouldn't do anything to a malicious government controlling the army. And for overthrowing government you don't need to be armed - see dozens of examples all over the world - the army is made of citizens as well after all. So, no, it doesn't make any sense in the current age to say you own guns to protect yourself from the government.
You're also assuming that the army wouldn't fracture under an armed populace uprising.
The CIA also has a document (sorry, I don't remember the name) detailing ways that civilians can sabotage efforts by doing things like holding extra meetings, etc.
I wonder if anyone would stay in the military to better thwart it.