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Rifles, Reloading, Optics, Equipment
Reloading
Redding bushing die
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<blockquote data-quote="Bart B" data-source="post: 1148511" data-attributes="member: 5302"><p>I don't think anyone knows what his 7 Rem Mag's chamber neck diameters are. SAAMI specs state .317" at the shoulder and .316" at the mouth, + .002". Specs for loaded round neck is .315" +.002", Compare those to the numbers he got measuring his fired cases; noting that some were over those diameters. Is his chamber within specs?</p><p></p><p>Never had any problems sizing down 30 caliber case necks that were .341" diameter after firing down to .334" in a loaded round using dies with their necks at .333" diameter. That's a .008" reduction.</p></blockquote><p></p>
[QUOTE="Bart B, post: 1148511, member: 5302"] I don't think anyone knows what his 7 Rem Mag's chamber neck diameters are. SAAMI specs state .317" at the shoulder and .316" at the mouth, + .002". Specs for loaded round neck is .315" +.002", Compare those to the numbers he got measuring his fired cases; noting that some were over those diameters. Is his chamber within specs? Never had any problems sizing down 30 caliber case necks that were .341" diameter after firing down to .334" in a loaded round using dies with their necks at .333" diameter. That's a .008" reduction. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Redding bushing die
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