Gentlemen,

Of late, my interest in this cartridge has reached a high.I would greatly appreciate it if you could provide this information for me.

1.Origin,design of this cartridge
2.Makers and models of the rifles - Bolt action, double rifles etc
3.Price
4.Ballistics in comparison

If you can post a few pics it would be great.Your experiences, Links,too.

Thanks in advance.
Best-
Vikram
Pee Yess: I have seen all the videos on AR.