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Rifles, Reloading, Optics, Equipment
Gunsmithing
280 AI alert
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<blockquote data-quote="Pdvdh" data-source="post: 2272973" data-attributes="member: 4191"><p>I think it's typically 0.004" between a Go and No Go gauge. The Go being 0.004" shorter than the No Go.</p><p></p><p>But here's the SAAMI standard for MIN MAX headspace for the Chamber of the 280 Ackley Improved. Acceptable headspace from the breech face to datum on the shoulder spans a distance of 0.010". MAX 2.150" - MIN 2.140" = 0.010".</p><p></p><p>[ATTACH=full]294410[/ATTACH]</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2272973, member: 4191"] I think it's typically 0.004" between a Go and No Go gauge. The Go being 0.004" shorter than the No Go. But here's the SAAMI standard for MIN MAX headspace for the Chamber of the 280 Ackley Improved. Acceptable headspace from the breech face to datum on the shoulder spans a distance of 0.010". MAX 2.150" - MIN 2.140" = 0.010". [ATTACH type="full"]294410[/ATTACH] [/QUOTE]
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