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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Mystery spiral on 223 bullet?
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<blockquote data-quote="Pdvdh" data-source="post: 1291147" data-attributes="member: 4191"><p>Ridges in the throat is about all that's left, now that you've eliminated the other two.</p><p></p><p>The imprint should be identical on each bullet slammed home, provided each bullet is seated to the same depth.</p><p></p><p>One way to test further without a bore scope is to seat the bullets more deeply. The imprinting will become faint, or disappear entirely. Provided the bullets aren't moving in the case neck during chambering slap.</p><p></p><p>No way are the spiral markings due to cartridge rotation during chambering.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1291147, member: 4191"] Ridges in the throat is about all that's left, now that you've eliminated the other two. The imprint should be identical on each bullet slammed home, provided each bullet is seated to the same depth. One way to test further without a bore scope is to seat the bullets more deeply. The imprinting will become faint, or disappear entirely. Provided the bullets aren't moving in the case neck during chambering slap. No way are the spiral markings due to cartridge rotation during chambering. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Mystery spiral on 223 bullet?
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