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Cast is the only way I can see and 2,000fps to perhaps 2,200fps is about perfect maximum. Then, there is the mould problem.?????

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The problem with this cartridge is that there is no reliable load data.

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Hello grandveneur,
Thanks for the reply.

There is actuall a fair amount of loading data. Pierre van der Walt's book "African Dangerous Game Cartridges" lists 14 different loads for 400g bullets. One load is 80g of IMR3031 for 2380 fps.
Load Data lists 20 different loads for 401g bullets. One load is 85g H4895 for 2450 fps.

I have loaded both of those loads with Woodleigh 400g Soft points to an overall loaded case length of 3.400" without compressing the powder.
This rifle's mag box will accept max overall loaded length of 3.450" max, but I kept the length a bit short to prevent any binding.



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