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New rifle, bigger bullets: Inside the Army’s plan to ditch the M4 and 5.56 | ArmyTimes
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New rifle, bigger bullets: Inside the Army’s plan to ditch the M4 and 5.56 | ArmyTimes

After carrying the M16 or one of its cousins across the globe for more than half a century, soldiers could get a peek at a new prototype assault rifle that fires a larger round by 2020.

Army researchers are testing half a dozen ammunition variants in “intermediate calibers,” which falls between the current 7.62 mm and 5.56 mm rounds, to create a new light machine gun and inform the next-generation individual assault rifle/round combo.

The weapon designs being tested will be “unconventional,” officials said, and likely not one that is currently commercially available.

Some intermediate calibers being tested include the .260 Remington, 6.5 Creedmoor, .264 USA …

Source: New rifle, bigger bullets: Inside the Army’s plan to ditch the M4 and 5.56