fourfive8
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Also if anyone has any load data for the 458 Lott with the 500grn Woodleigh Weldcores please feel free to share.
Woodleigh recommends using any published, pressure tested load data for other comparable bullets. They add the common caveat of reducing load by 5% and working up. The Weldcore bullet is a simple cup and core design that is bonded so is likely to behave, for loading purposes, similarly to any other common cup and core bullet of similar weight.
I just read this one their website. I have seen some load data for the 458 Lott now for both the Woodleighs and Hornady DGX using Alliant RL15 and my local dealer keeps this in stock so I might give this a go for a start. I am interested to see what Woodleigh actually have published in their reloading manual though, I shoud have this manual before the end of the week.
I understand there is a chance different brass and different primers were used in developing the published reloading data but still having said that it's a little disconcerting to say the least? Since I am using the Woodleigh bullet mentioned above I was going to use the Woodleigh data and start at 5% below their starting load but even that is nearly Hornady's max load. Do you think 5% below Woodleigh's starting load would be ok or to be safe should I just start at Hornadys starting load which is way down at 67.6grns ?