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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Changed Berger B.C.
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<blockquote data-quote="trueblue" data-source="post: 244600" data-attributes="member: 10654"><p>I have not done load developement/ trajectory validation yet with the 210gr Berger, I have done it with the 7mm 168gr and find the BC to be .643 or higher, rather then their new listed BC on the box of .617.What has me even more confused is the bigger discrepency with their 30cal 210gr VLD. I have a box that says the BC is .631, and now the new box says .575. Part of the reason I purchased the Berger's was their advertized BC was higher than </p><p>Sierra MK 210gr. Now with Berger's new BC of .545 that is not the case.</p><p>It's got me wondering 3 things:</p><p>-Did they change bullet design ?</p><p>-And if not, what purpose does it serve to list a lower BC ?</p><p>-What effect will this have on drop charts and trajectory validation ?</p><p> </p><p>I will catch up with this post later, as I am leaving for Kansas rifle hunting.</p></blockquote><p></p>
[QUOTE="trueblue, post: 244600, member: 10654"] I have not done load developement/ trajectory validation yet with the 210gr Berger, I have done it with the 7mm 168gr and find the BC to be .643 or higher, rather then their new listed BC on the box of .617.What has me even more confused is the bigger discrepency with their 30cal 210gr VLD. I have a box that says the BC is .631, and now the new box says .575. Part of the reason I purchased the Berger's was their advertized BC was higher than Sierra MK 210gr. Now with Berger's new BC of .545 that is not the case. It's got me wondering 3 things: -Did they change bullet design ? -And if not, what purpose does it serve to list a lower BC ? -What effect will this have on drop charts and trajectory validation ? I will catch up with this post later, as I am leaving for Kansas rifle hunting. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Changed Berger B.C.
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