Originally Posted by bcelliott
Those look so good! I wonder which of the Safari Solids (325, 400, 450 grain) will penetrate the deepest at close range when momentum is held constant.
Sir Bevan,
That 400-gr Safari Solid looks like a contender for sure.
We expect to see some tests from MIB on all those CEB brass FN solid bullets,
as well as the Lehigh 380-gr WFN copper solid.
I cannot do any better than Doc M at MIB,
will see what paces he puts them through.
When I get some of those 400-grainers I will load it longer than he shows here:

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Load data with pressures should be first to arrive from MIB.
Penetration tests will come later.
keep in mind that net case capacities of the .458 B&M and the .458 WM are the same when COL is +0.260" for the .458 WM.
A 3.00" COL with .458 B&M is equivalent to 3.26" COL with the .458 WM.
Is the shorter and fatter B&M more efficient than the WM ? Maybe.
Does the longer throat of the WM give it an advantage over the B&M ? Yes.
Is the .458 Lott being used at MIB a long-throated, pre-SAAMI version ? Probably so.
That is the only way it can do higher velocity at lower pressure than the .458 WM in some of the MIB data.
All load data should be taken with a grain of saltpeter.
That last line was a joke, just like a Blaser meme.
This is a seriously good use for a Blaser R8:

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Ron aka "Rip" for Riflecrank Internationale Permanente
NRA Life Benefactor and Beneficiary
.458 Winchester Magnum, Magnanimous in Victory
THE WALKING DEAD does so remind me of Democrap voters. Donkeypox.