Handgun calibers are discussed as magic words: utter the right one and it will take care of the rest. In a real home-defense situation, the cartridge must accomplish two tedious, inexcusable tasks go bang every time and deliver a bullet with enough penetration to hit what counts, even in...

So just because the 9mm pistol becomes reliable when the number of rounds in the gun increases, the magazines are mixed, and optics are appearing on duty slides, do we consider it reliable? The common explanations of it such as the brand loyalty, internet legends, even military heritage can only...