12.7×99mm Armor-Piercing: Difference between revisions

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[[Image:1204064820 Red Gemini V16.jpg|thumb|A Spartan discharges 12.7x99mm rounds out of a Heavy Machine Gun]]

The ''12.7x99mm AP'', also known as the [http://en.wikipedia.org/wiki/.50_BMG .50 Browning Machine Gun'] [http://en.wikipedia.org/wiki/.50_BMG .50 BMG] and the [http://en.wikipedia.org/wiki/.50_BMG .50 caliber'] is a cartridge that first entered service in the early 20th Century. The round is based on a greatly scaled-up [http://en.wikipedia.org/wiki/.30-06 .30-06] cartridge. The cartridge itself has been made in many variants: multiple generations of [http://en.wikipedia.org/wiki/Ball_ammunition regular ball], [http://en.wikipedia.org/wiki/Tracer_ammunition tracer], [[armor piercing]], [http://en.wikipedia.org/wiki/Incendiary_ammunition incendiary], and [[saboted sub-caliber]] rounds. The rounds intended for [http://en.wikipedia.org/wiki/Machine_guns machine guns] are linked using [http://en.wikipedia.org/wiki/Ammunition_Belt metallic links].