Source:http://ritastatusreport.blogspot.nl/2015/08/m4-armor-changes.html
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Hello Warriors,
大家嚎，

these are the armor changes for the M4:
以下是M4的装甲改动

– Effective LFP was buffed from 140mm to 150mm;
正面首下的等效厚度从140mmBuff到了150mm

– Effective UFP was nerfed from 120/130 to 115/130 (but the 85mm hatches weakspots were removed);
正面首上的等效厚度从120/130砍到了115/130（但是那个85mm的舱盖弱点被取消了）

– The turret is a bit smaller and the armor is roughly the same;
炮塔变小了一点，但是装甲差不多还是一样的

– Commander cupola became smaller but its armor was nerfed from 140mm to 95mm.
车长指挥塔也变小了，但是装甲从140mm砍到了95mm