Should the Army switch from 5.56mm to 6.8mm ammo?

Army veteran Chris Capelluto can barely handle the 5.56mm but he's ready for the 6.8mm!
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Army veteran Chris Capelluto reviews the life long tease from the Army about the 5.56mm switch to 6.8mm SPC rounds and provides a brief history of all the military’s successful different main battle rifle and ammo adoptions.

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