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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Freebore in 6.5 Creedmoor
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<blockquote data-quote="vonb" data-source="post: 3009254" data-attributes="member: 8910"><p>I have a 6.5 Creedmoor barrel that supposedly has a .169 freebore. When checking measurements to the lands earlier, I came up with the following measurements for the two different Barnes Match Burner bullets:</p><p> </p><p> Barnes 140 gr Match Burners: 2.055 BTO (to engage the lands) / Catridge OAL: ~2.658</p><p> Barnes <em>145</em> gr Match Burners: 2.080 BTO / Cartridge OAL: ~2.780</p><p> </p><p>The chamber was spec'ed at .169 freebore which should be .030 less than SAAMI (.199). However, these measurements seems awfully short to engage the lands. Does this look reasonable or is my freebore shorter than .169?</p></blockquote><p></p>
[QUOTE="vonb, post: 3009254, member: 8910"] I have a 6.5 Creedmoor barrel that supposedly has a .169 freebore. When checking measurements to the lands earlier, I came up with the following measurements for the two different Barnes Match Burner bullets: Barnes 140 gr Match Burners: 2.055 BTO (to engage the lands) / Catridge OAL: ~2.658 Barnes [I]145[/I] gr Match Burners: 2.080 BTO / Cartridge OAL: ~2.780 The chamber was spec'ed at .169 freebore which should be .030 less than SAAMI (.199). However, these measurements seems awfully short to engage the lands. Does this look reasonable or is my freebore shorter than .169? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Freebore in 6.5 Creedmoor
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