You are already reliant on the state for defense, whether you admit it or not. The very existence of states requires a functional monopoly on violence, and private gun ownership is just a fig leaf to obscure that fact. A fig leaf that leads to massive, unnecessary loss of life. If your definition of freedom is so limited that not owning a gun makes you automatically un-free, you do not actually believe in freedom, you believe in the right to violently interject yourself into the lives of others. That is pretty much the opposite of freedom.