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Rifles, Reloading, Optics, Equipment
Reloading
How do you straighten runout?
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<blockquote data-quote="Bart B" data-source="post: 488821" data-attributes="member: 5302"><p>Well then, where would any mechanical interference come from to prevent them centering at the shoulder? I'm not aware of any rifle parts that would prevent it.</p><p></p><p>Of course, straight ammo always helps. But even perfectly straight rounds won't align perfectly on the bore axis. Their back end's always pressed against the chamber wall by the extractor.</p><p></p><p>Factory new commercial .308 Win. match ammo, even with 3/1000ths bullet runout, shot well enough in military match grade M14NM's and M1's to hold 4 inches or better at 600 yards. That's in a huge military spec chamber, too.</p></blockquote><p></p>
[QUOTE="Bart B, post: 488821, member: 5302"] Well then, where would any mechanical interference come from to prevent them centering at the shoulder? I'm not aware of any rifle parts that would prevent it. Of course, straight ammo always helps. But even perfectly straight rounds won't align perfectly on the bore axis. Their back end's always pressed against the chamber wall by the extractor. Factory new commercial .308 Win. match ammo, even with 3/1000ths bullet runout, shot well enough in military match grade M14NM's and M1's to hold 4 inches or better at 600 yards. That's in a huge military spec chamber, too. [/QUOTE]
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How do you straighten runout?
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