Originally Posted by CZ550
They vary for a number of reasons:

1 - some haven't done fresh testing using improved

Bob
www.bigbores.ca


I’m writing about two trusted sources with their top loads 5 grains apart. Same velocity. Same powder. Same bullet.

I prefer classic.
Semper Fi
I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally