I'll be hunting cape buffalo for the 1st time this September. I'll be packing my 375 H&H . My current load is a 270 TSX which I have plenty of and they shoot well. The 270 grain has pbeen quite impressive on plains game. Questions are this.... should I step up to the 300 grain Barnes TSX bullets for tbuffalo?? Do I really need to use a solid for follow up?? thanks 163bc