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Rifles, Reloading, Optics, Equipment
Gunsmithing
Scarring Across the Chamber Throat a Problem?
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<blockquote data-quote="Pdvdh" data-source="post: 2207576" data-attributes="member: 4191"><p>Yes, these score marks run uninterrupted from the adjacent groove on out across the throat. They likely run the full length of this groove. The score marks are so deep that they remain visible in the throat, after the throat was cut by the chamber reamer. In this 338 bore, the throat should be very close to .3385" diameter.</p><p></p><p>I believe if the bore diameter were measured from this deepened groove to the opposing groove, the bore would be larger that 0.338". Likely around 0.33825".</p><p></p><p>But I have no way to obtain this measurement.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2207576, member: 4191"] Yes, these score marks run uninterrupted from the adjacent groove on out across the throat. They likely run the full length of this groove. The score marks are so deep that they remain visible in the throat, after the throat was cut by the chamber reamer. In this 338 bore, the throat should be very close to .3385" diameter. I believe if the bore diameter were measured from this deepened groove to the opposing groove, the bore would be larger that 0.338". Likely around 0.33825". But I have no way to obtain this measurement. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Scarring Across the Chamber Throat a Problem?
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