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I don't know if any of you have heard about the new Remington 6.8mm SPC. It is a new cartridge that some believe may replace the 5.56 as the military's standard round. It is based on the old 30 remington case which is essentially a rimless 30-30. It pushes a 115gr bullet at 2800fps. Providing more energy and better terminal ballistics than the 5.56. The .270 bullet also provides a higer ballistic coefficient which means better long range ballistics (i.e. more energy retention) and better penetration. No one is sure whether or not the military will adopt this round, but I think it is here to stay, as several companies have introduced rifles chambered for it. It is available with soft points for deer hunting.
Left to right: .30 Remington, 6.8mm Rem SPC, .308 Winchester, .223 Remington.
So, does the 5.56 need replacement and if so, is the 6.8 the answer?

Left to right: .30 Remington, 6.8mm Rem SPC, .308 Winchester, .223 Remington.
So, does the 5.56 need replacement and if so, is the 6.8 the answer?