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 ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › The word “caliber” is often incorrectly used in place of the word cartridge. There’s an ...

Pistol-caliber carbines (PCCs) are a hot topic among firearm enthusiasts for their unique blend of rifle ergonomics and pistol ammunition. Designed to fire the same rounds as many popular handguns, ...

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Heavy machine guns and sniper rifles in .50 caliber are some of the most feared weapons for the infantryman on the battlefield. As the .50 caliber round was originally meant to pierce armor and take ...