njc110381 Posted December 13, 2017 Report Share Posted December 13, 2017 Hi all. I'm having some bother working out a load for my .45-70 and wondered if anyone can help me? I have a thought process that makes sense in my head but at the same time I'm not comfortable with... I'm hoping to load 500gr .45-70 cartridges using Alliant RL10x, but I can't find data. Looking at lower bullet weights it seems RL 7 needs less charge per given bullet weight than RL10x, and 10x is a better powder for 400gr bullets than 7. Being the other way around with 300gr that suggests 10x is better for heavier bullets? But then I can only find 7 data for 500gr. That got me thinking and I went to look for .458 Mag data and sure enough, 10x is listed with higher charge weights than 7 in that. So, the question is this... If I load 10x to the data provided for 7 in the .45-70, will it be safe as I'm assuming?! My brain tells me it'll be fine, but it's also telling me that I'm not clever enough to make that decision and I shouldn't do it until someone brighter has backed me up! Link to comment Share on other sites More sharing options...
Andrew Posted December 13, 2017 Report Share Posted December 13, 2017 It doesn't work that way. Change powders or email Alliant for advice. ~Andrew Link to comment Share on other sites More sharing options...
gunner Posted December 17, 2017 Report Share Posted December 17, 2017 Would QL Have the answer ? I could run the numbers tomorrow after work if you post your proposed load data ! Oal , powder , bullet , twist and length of barrel etc ? ATB Link to comment Share on other sites More sharing options...
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