The original round had a copper case and a round nose round.
2.
But, nosing round the shelves of a pet shop recently, I'm prepared to bet my bank balance that we are not far behind.
3.
The FMJ or RN Weatherby ammunition shoot to the same point of impact, which is necessary in a dangerous game cartridge as hunters may need to switch from solids to soft round nose rounds depending on the circumstances and game being hunted.