Thanks SSA & Mike. Both your threads were very detailed tonight and offered a large amount of info. Everyone's thread has been appreciated.
So the 270 is based on the 30-03 case. I don't believe I've ever seen that cartridge. Seen allot of old obsolete ones over the years. But not that one.
Shotgun 693: We'll have to see if someone can fill in that blank spot concerning your question? I'm sure someone out here must remember its name. You and I, we'll sit back and see what happens.