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Rifles, Reloading, Optics, Equipment
Gunsmithing
280 Ackley Chamber
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<blockquote data-quote="Clark" data-source="post: 2346387" data-attributes="member: 6600"><p>I have the SAAMI reamer, the SAAMI headspace gauge, and Nosler 280AI brass.</p><p></p><p>My trouble was with the neck diameter of the Lee and Redding sizer dies, but I just use new Nosler brass.</p><p> </p><p></p><p>We generally like the neck to be honed to 0.002" smaller than the loaded ammo, to allow for the elastic deformation of brass [spring back]. when Forster does it. But they don't make a 280AI die.</p><p></p><p>0.3105 - 0.002" = 0.3085"</p><p> </p><p>1) Redding with a neck that is a go with a 0.303" pin gauge</p><p>2) Lee Precision with a neck that is a go with a 0.298" pin gauge</p></blockquote><p></p>
[QUOTE="Clark, post: 2346387, member: 6600"] I have the SAAMI reamer, the SAAMI headspace gauge, and Nosler 280AI brass. My trouble was with the neck diameter of the Lee and Redding sizer dies, but I just use new Nosler brass. We generally like the neck to be honed to 0.002" smaller than the loaded ammo, to allow for the elastic deformation of brass [spring back]. when Forster does it. But they don't make a 280AI die. 0.3105 - 0.002" = 0.3085" 1) Redding with a neck that is a go with a 0.303" pin gauge 2) Lee Precision with a neck that is a go with a 0.298" pin gauge [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
280 Ackley Chamber
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