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Rifles, Reloading, Optics, Equipment
Gunsmithing
280 AI alert
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<blockquote data-quote="Seabeeken" data-source="post: 2326047" data-attributes="member: 68015"><p>Ackley's 280 AI was and still is a wildcat and should be treated as such. The SAAMI cartridge is not. I headspaced my 280AI rifle with a PTG 280AI gauge and have fired many factory 280 Rem cartridges as well as Nosler brass without issue. If one is expecting to fire factory 280 ammo, I'd suggest setting headspace as ackley intended with a slight crush fit at the shoulder neck junction on whatever factory round you intend to fireform. Seems that this would bring up the question of, is all factory ammo exactly the same dimension at this point? When I made 250 savage ai brass from 22-250 brass, I ran it over a 26 cal mandrel and then into my 250ai sizer that was set to bump my shoulder and had a snug fit in my chamber for forming and had no issues at all.</p><p>It doesnt matter what Nosler did or didnt do, it is the SAMMI round now and Ackley's rifles are still wildcat improved cartridges as they always were.</p></blockquote><p></p>
[QUOTE="Seabeeken, post: 2326047, member: 68015"] Ackley's 280 AI was and still is a wildcat and should be treated as such. The SAAMI cartridge is not. I headspaced my 280AI rifle with a PTG 280AI gauge and have fired many factory 280 Rem cartridges as well as Nosler brass without issue. If one is expecting to fire factory 280 ammo, I'd suggest setting headspace as ackley intended with a slight crush fit at the shoulder neck junction on whatever factory round you intend to fireform. Seems that this would bring up the question of, is all factory ammo exactly the same dimension at this point? When I made 250 savage ai brass from 22-250 brass, I ran it over a 26 cal mandrel and then into my 250ai sizer that was set to bump my shoulder and had a snug fit in my chamber for forming and had no issues at all. It doesnt matter what Nosler did or didnt do, it is the SAMMI round now and Ackley's rifles are still wildcat improved cartridges as they always were. [/QUOTE]
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