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Rifles, Reloading, Optics, Equipment
Gunsmithing
280 AI alert
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<blockquote data-quote="Pdvdh" data-source="post: 2272896" data-attributes="member: 4191"><p>Your goal is to cut a chamber in conformance with the SAAMI 280 Ackley Improved? Is that correct? If so, then you would want the go and no-go gauges for the SAAMI 280 Ackley Improved.</p><p></p><p>And if so, your statement about the 280 Rem go gauge is incorrect, IMO...</p><p></p><p>The 280 Remington go gauge is only useful if you wanted to cut a chamber for the original PO Ackley 280 A.I. The SAAMI 280 Remington go gauge would be the no-go gauge for the original 280 A.I. But not for the SAAMI 280 Ackley Improved cartridge.</p><p></p><p>The 280 Rem go gauge should have a headspace dimension 0.014" larger (greater / deeper) than the SAAMI 280 Ackley Improved go gauge. So it could never serve as a no-go gauge for the SAAMI 280 Ackley Improved cartridge.</p><p></p><p>I could be wrong, but since I'm one of few that understand the difference in headspace between the original and the SAAMI versions, I wouldn't bet against me.</p><p></p><p>Send me a PM if you'ld like, to discuss this further.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2272896, member: 4191"] Your goal is to cut a chamber in conformance with the SAAMI 280 Ackley Improved? Is that correct? If so, then you would want the go and no-go gauges for the SAAMI 280 Ackley Improved. And if so, your statement about the 280 Rem go gauge is incorrect, IMO... The 280 Remington go gauge is only useful if you wanted to cut a chamber for the original PO Ackley 280 A.I. The SAAMI 280 Remington go gauge would be the no-go gauge for the original 280 A.I. But not for the SAAMI 280 Ackley Improved cartridge. The 280 Rem go gauge should have a headspace dimension 0.014" larger (greater / deeper) than the SAAMI 280 Ackley Improved go gauge. So it could never serve as a no-go gauge for the SAAMI 280 Ackley Improved cartridge. I could be wrong, but since I'm one of few that understand the difference in headspace between the original and the SAAMI versions, I wouldn't bet against me. Send me a PM if you'ld like, to discuss this further. [/QUOTE]
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