December 27, 2011: During the last decade there have been several attempts to get the United States to replace the 5.56mm rifle round with something more powerful. A 6.8mm round was popular for a ...

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It’s official: After months of testing, the Army is moving forward with an intermediate round between the traditional 5.56mm and 7.62mm calibers for its M4 carbine and M249 Squad Automatic Weapon ...