Google didn't have an answer and it's hard to see in action with people getting shot at from different sides.
I was hoping someone on here maybe knows or at least a close approximation.
English
#Destiny
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About 200. I think 200 is with max armour. Hipfire headshot + ADS headshot with Aggressive Ballistics TLW does 195 damage. Some people can live it and some people can't, that's down to armour.