From M7 to M8: Why the US Army is reworking its troubled rifle
Several years ago, the US Army embarked on a sweeping small-arms revolution. Its previous service rifles, based on the M16 platform and its 5.56 mm cartridge, were deemed inadequate for modern combat. The result was the M7 rifle, chambered for the unfamiliar 6.8 mm round. But the problem turned out to be about much more than calibre. The weapon proved so problematic in several respects that the…
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