We’re on the same boat here, I’m a notorious “have to explore everything” player so often NG+ is boring but a few games still hooked. God of War from 2018 was a fun one. Also Witcher 3 and the best of all was Nier Automata but I have to admit, Nier Automata isn’t really a new game plus in this manner
The weak point should be the on the back side of the turret. If I remember right you also can shoot the tracks or the back of the lower part from aside but it’s far less effective.