The most common definition of “caliber,” as it pertains to guns, is about as straightforward as you could want it to be: Caliber simply mean the diameter of the hole in a rifle or pistol barrel. Yet ...

Pistol-caliber talk gets dumb fast because most people argue it like a bumper sticker. “Bigger is better.” “Shot placement... The post The pistol calibers that hit harder than you think—but are often ...