mustardoverlordrocketslayWhy do people need assault rifles? If you're defending your home, a pistol will suffice, right? We haven't reached the point where there's open warfare in the streets or anything
a lot of people legitimately believe that the main reason they need guns is to protect themselves from the government
which an assault rifle wouldn't exactly help much with if the armed forces were after you but shrug
If more people have assault weapons in the hypothetical case that the US becomes tyrannical, conflict between citizens and the military will be forced. Forced conflict, rather than citizens not revolting and having their rights surrendered makes these military units more likely to mutiny*, and encourages citizens to fight against the government because they know people have access to these assault weapons. The main point is that having assault weapons encourages forced conflict in the face of tyranny, which makes fighting a war on citizens harder.
*Mutiny because US soldiers would probably not be okay with shooting their neighbor.
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also as a point to rocketslay, a lot of Americans feel they shouldn't need to justify their right to own guns, no matter how advanced they become.