0305172218h3 March 5, 2017 at: 1500 × 844 In: Modern Personal Defense Weapon Calibers 011: The 6x35mm KAC/TSWG, Revisited Next → Left to right: 5.56x30mm MARS, 6x35mm KAC/TSWG, 5.56x45mm NATO, 5.45x39mm Soviet, 5.56x38mm FABRL