Ever since its widespread use in World War I and its subsequent rise in popularity among military and law enforcement agencies around the world, the 9x19 Parabellum round, or 9mm, has become the most widely used caliber in handguns, submachine guns, and other small arms, accounting for over 20% of all ammunition sales. In this episode, Bill and Mas break down the advancements in the adoption of the 9mm cartridge, and some of the obstacles and limitations it has overcome throughout the years.
VIDEO HERE (16:07 minutes)
