Doctrine and why the Grendel has an uphill battle.

[SHORT-N-SASSY]

. . . Terminal effects is just one part of the cartridge selection matrix.

BFT,

Thanks for chiming in. On a scale of 1 to 10, how would you compare the .223/5.56x45mm against the 6.5mm Grendel, as we know it, in the cartridge selection matrix?
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ETA:

And, let's dial-in "Extended Range Capability": The Pentagon Is Reportedly Going to Send 4,000 More U.S. Troops to Afghanistan (http://nymag.com/daily/intelligencer/201...istan.html)