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unusual facts about 6.8 mm Remington SPC



.280 British

Coincidentally, in 2002 the Americans developed a military calibre intended for the M4 version of the M16 family called the 6.8 mm Remington SPC — with similar ballistic properties to the .280 British cartridge — which was intended to provide better ballistics than the 5.56×45mm.


see also