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You opinion on 450/400 NE No.3 in a O/U valmet?
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some one is offering me custom barrels for the valmet in this caliber I already have the 9.3x74r
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he said he used handloads in it but didn't say what pressure ..I would just use factory to be on the safe side of it
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So the questions I am guessing are, is the Valmet action strong enough for chamber pressure and also back thrust pressure?

Any other considerations? Wall thickness? Of the chamber? Should be OK. The barrels, must have been bored out?

I do not know what the handloads currently being used are?

The largest chambering I have heard of, was a .375 JDJ (?). I think that was it. A rechambered .375 Winchester I presume? A .400 would be a new beast.

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John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
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