Barrett Firearms developed the first version ... The armor-piercing-incendiary-high-explosive explosive Mk 211 .50 caliber cartridge, commonly known as the Raufoss round after the Norwegian ...

November 18, 2005: In Iraq and Afghanistan, the troops have been finding that, when it comes to bullets, bigger is better. The .50 caliber (12.7mm) machine-gun, and the single shot 12.7mm Barrett ...