Cool, you copied the text here.

As I've asked twice on farcebook. Whynis the .476 WR "superior" to the .450 NEs, .465, .470, .475s etc?

Does it also shoot a 500 gr projectile at a muzzle velocity between 2100 and 2200 fps?

What is the true groove calibre of the .476 WR?

Were only NINE (9) Westley Richards .476 double rifles ever made?