Same here. Ammo explosions still hurt like a motherfucker and will likely cripple a 'Mech hit by them, but at least you'll still have a 'Mech to play with in most cases. And it gives CASE an indirect buff, which I like. It never made sense to me that CASE, something akin to the blowout panels on modern tanks, would still allow for so much internal damage. Even with how cramped BattleMech internal are stated to be, that's what the engineering challenge of fitting CASE in the first place (it's not a casual field-grade refit, IIRC) is supposed to be all about.