The guy who heavily promoted the .243 and .244 in the 1950's, and used them extensively, years later concludes that for African plains game you should restrict their use to no more than 200 lb animals. His 7mm Mashburn was better for the 200lb plus African plains game.
With the bullets available back then, that was pretty solid advice.
105 grain Speers were used mostly. And one more thing, he was National Benchrest champion...so there goes the argument of "you just need good bullet placement" down the drain.
