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When tested, the 6mm has scored better ballistics than the 223/5.56. So what makes our 6mmARCFC Upper Assembly so special? Higher magazine capacity as well as quick release gun jams, for starters! And, lighter weight.
Our Uppser Assembly is also available with 4 Cerakote colors. (Additional colors available for an upcharge.)
Graphite Black
FDE & Graphite Black
Sniper Green and Grey
Stormtrooper White