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Rifles, Reloading, Optics, Equipment
Gunsmithing
280AI question
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<blockquote data-quote="antelopedundee" data-source="post: 1995183" data-attributes="member: 107384"><p>What you should care about is if the bolt closes on the .280 Rem brass that you will be fire forming with. Most smiths chambering for an AI cartridge use the parent case as the no go gauge. I think I got that right. Why would you not use .280AI cases unless you want a specific brand that's not offered in AI? If I was in your shoes I'd just set it so that the bolt will just close on a .280 cases with a tad of resistance. In order to account for any differences in case dimension, I would also seat the bullet so that it's lightly jammed into the rifling. You want the case snug in the chamber and all of the pressure to blow the shoulder forward and not stretch the case in the web area. Git R Formed on the first try. You want to make sure that your .280AI cases don't end up either too short or too long. If too short you will have to FF them again. If too long you will need to set the shoulder back.</p></blockquote><p></p>
[QUOTE="antelopedundee, post: 1995183, member: 107384"] What you should care about is if the bolt closes on the .280 Rem brass that you will be fire forming with. Most smiths chambering for an AI cartridge use the parent case as the no go gauge. I think I got that right. Why would you not use .280AI cases unless you want a specific brand that's not offered in AI? If I was in your shoes I'd just set it so that the bolt will just close on a .280 cases with a tad of resistance. In order to account for any differences in case dimension, I would also seat the bullet so that it's lightly jammed into the rifling. You want the case snug in the chamber and all of the pressure to blow the shoulder forward and not stretch the case in the web area. Git R Formed on the first try. You want to make sure that your .280AI cases don't end up either too short or too long. If too short you will have to FF them again. If too long you will need to set the shoulder back. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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280AI question
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