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The Range
Ammo & Reloading
Getting ready to reload 22-243 Need help from wildcatters
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<blockquote data-quote="Blitzfike" data-source="post: 2126953" data-attributes="member: 807"><p>CB, the factory 243 brass is thin enough to work without reamming. I have used some 7.62X51 military brass to form 243 and had to ream the necks on that. Taking that down to 22 cal would be problematic. Don't anneal before sizing down, you will have many more failures with the softened brass (Ask me how I know) Anneal it after you have decreased the neck diameter. A good way to start working up you load data if you don't have an established source is to weigh the water grain capacity of the 22-250 case and then the reformed 22-243 case. Calculate the percentage difference between the two cases and use that factor to come up with the starting load for the new stuff from the 22-250 load data. Hope that makes sense.. Blitzfike</p></blockquote><p></p>
[QUOTE="Blitzfike, post: 2126953, member: 807"] CB, the factory 243 brass is thin enough to work without reamming. I have used some 7.62X51 military brass to form 243 and had to ream the necks on that. Taking that down to 22 cal would be problematic. Don't anneal before sizing down, you will have many more failures with the softened brass (Ask me how I know) Anneal it after you have decreased the neck diameter. A good way to start working up you load data if you don't have an established source is to weigh the water grain capacity of the 22-250 case and then the reformed 22-243 case. Calculate the percentage difference between the two cases and use that factor to come up with the starting load for the new stuff from the 22-250 load data. Hope that makes sense.. Blitzfike [/QUOTE]
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Getting ready to reload 22-243 Need help from wildcatters
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