As BR 4.7 destroyers has more weapons ?
For example, in BR 4.7,
【USS Gearing】has 6×127mm，16×40mm，11×20mm guns,
【USS Sumner】has 6×127mm，12×40mm，10×20mm guns,
In BR 5.0
【USS Phelps】 has 5×127mm， 8×40mm， 6×20mm guns.
So, why 【USS Phelps】stays in BR 5.0 ?
Shouldn’t she stays in BR 4.7 ?