Wincherster 94 Big Bore in 458 Rogers Express...reloading help

Charlie38

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Hello everyone My friend just was given a Winchester M94 Big Bore chambered in a wildcat 458 Rogers Express.
Its a 375 H&H case cut down and loaded with the 400 gr Speer FP. Does anyone have ANY information on this cartridge?
He has everything to make and reload cases just not data...any help would be much appreciated. Thanks nutz!

I believe its the 458 x 2" by the look of it.
 
Last edited:
I have data for the .458x2" American.It's a cut down .458 Win mag case but you can use any of the belted mag brass in the same family.Harold
 
Yes it is very similar and Marlin used the idea.I like the fact regular mag brass can be shortened,Chamfered inside and out and loaded.Free range brass is everywhere.Harold
 
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