😡😡😡😡 Alright, let's get some things ironed out here..
This is starting to look an awful lot like you are wanting to buy something. Posts waiting to buy something, belong in the Trading Post; not the handloading section.
So were you offered one, and you're asking for the information found in load manuals? Or were you not offered one, and you want to buy one?
Those velocities are only remotely possible with a 24" barrel, not the 10" the OP is asking about.
I expect your post to be edited with Either the required warning from the sticky in this section. Or bring the velocities back down to reality.
Whatever nonsense supposedly happened in 1958, those components are long since changed..