I forgot to add that Wilkes is (was) a great make / name
to have on a gun.

Mickey - from the ones I've seen I also like them

577 / 650gn is a perfectly normal 577.
IMHO, if the bullet is in the right place the diff btn
a 650 and 750gn is not that large.

Hell, after seeing the diff a 570gn 500 Nitro has over
a 470, just the step up to 577 should be enough.

500 Nitro