About Merkaca turret - does not forward sloped turret kinde of contradict urban combat/LIC concept ? Is that the legacy problem only ? IDF pdie themself beeng pioneer tank urban combat tactic...
That is why they uparmored Mk3B and Mk2B with 4.th generation passive armor (Dor Dalet versions). Merkava Mk4 has new turret, with much better side protection than early models.