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Hunting
Extreme Long Range Hunting & Shooting (ELR)
What is acceptable Standard Deviation in Bullet grain in same lot?
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<blockquote data-quote="raz175" data-source="post: 1416575" data-attributes="member: 90103"><p>What I've found in Nosler bullets is that the base to ogive (bearing surface)measurements can vary greatly between lots. This variance has shown more impact on group size than just weight alone. If you have one lot that has a larger base to ogive and is seated at the same CBTO, it will have greater bearing surface and will be seated further into the case. I have seen this affect my groups quite a bit, and had me chasing my tail for quite a while.</p></blockquote><p></p>
[QUOTE="raz175, post: 1416575, member: 90103"] What I've found in Nosler bullets is that the base to ogive (bearing surface)measurements can vary greatly between lots. This variance has shown more impact on group size than just weight alone. If you have one lot that has a larger base to ogive and is seated at the same CBTO, it will have greater bearing surface and will be seated further into the case. I have seen this affect my groups quite a bit, and had me chasing my tail for quite a while. [/QUOTE]
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Extreme Long Range Hunting & Shooting (ELR)
What is acceptable Standard Deviation in Bullet grain in same lot?
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