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Rifles, Reloading, Optics, Equipment
Reloading
280AI question
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<blockquote data-quote="gr8whyt" data-source="post: 482503" data-attributes="member: 28526"><p>That's one of the beauties of Ackley Improved cartridges. Cases can be formed directly from the parent case. I personally think the .280 AI is one of the best. Assuming that the chamber is properly reamed, just load a parent cartridge and shoot. It is often surprising that even when fireforming, those loads are very accurate. And usually, velocity is just a bit lower than the normal velocity of the parent cartridge, because the pressure does not get quite as high, because there is additional volume in the chamber.</p><p></p><p>Handloading new brass before fireforming is fairly straightforward also. With the .280 AI, resizing new .30-06 brass works pretty good. A person can just partial neck size down leaving about .020 of the original neck at the neck-shoulder junction unsized. This will leave a bump that will make chambering the round a little firm. But the case will be secure and the firing pin strike will make good firm contact and the fireforming will be very positive.</p><p></p><p>Nearly all cases will come out very well formed. You might not lose any to the process. Good luck in whatever you decide.</p><p></p><p>-- gr8whyt</p></blockquote><p></p>
[QUOTE="gr8whyt, post: 482503, member: 28526"] That's one of the beauties of Ackley Improved cartridges. Cases can be formed directly from the parent case. I personally think the .280 AI is one of the best. Assuming that the chamber is properly reamed, just load a parent cartridge and shoot. It is often surprising that even when fireforming, those loads are very accurate. And usually, velocity is just a bit lower than the normal velocity of the parent cartridge, because the pressure does not get quite as high, because there is additional volume in the chamber. Handloading new brass before fireforming is fairly straightforward also. With the .280 AI, resizing new .30-06 brass works pretty good. A person can just partial neck size down leaving about .020 of the original neck at the neck-shoulder junction unsized. This will leave a bump that will make chambering the round a little firm. But the case will be secure and the firing pin strike will make good firm contact and the fireforming will be very positive. Nearly all cases will come out very well formed. You might not lose any to the process. Good luck in whatever you decide. -- gr8whyt [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
280AI question
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