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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
ballistic coefficient questions . 6.5 mm bullets
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<blockquote data-quote="MontanaRifleman" data-source="post: 749225" data-attributes="member: 11717"><p>I put a lot of stock in Bryan's research. That said, I only have his first book which doesn't include the .264 CE's. It does mention the 308 180 STD which he finds to be a significantly lower BC then advertised, but his MV is also slower than the CE MV used which will affect G1 BC's. The advertised difference between the STD, MAX and MAX AGG is very small and looking at all 3 with my eyes, there is a fairly significant difference in form.</p><p></p><p>I think the CE design is ingenious and well thought out. Minimal bearing surface and a front end bore rider which aligns the bullet to the bore. I've only shot the STD 180 .308 cal so far, but they have been very accurate.</p><p></p><p>You might check the twist requirements of the 130's in your 6.5x55 based on velocity and elevation. Probably a 8 if not tighter.</p><p></p><p>Cheers</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 749225, member: 11717"] I put a lot of stock in Bryan's research. That said, I only have his first book which doesn't include the .264 CE's. It does mention the 308 180 STD which he finds to be a significantly lower BC then advertised, but his MV is also slower than the CE MV used which will affect G1 BC's. The advertised difference between the STD, MAX and MAX AGG is very small and looking at all 3 with my eyes, there is a fairly significant difference in form. I think the CE design is ingenious and well thought out. Minimal bearing surface and a front end bore rider which aligns the bullet to the bore. I've only shot the STD 180 .308 cal so far, but they have been very accurate. You might check the twist requirements of the 130's in your 6.5x55 based on velocity and elevation. Probably a 8 if not tighter. Cheers [/QUOTE]
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ballistic coefficient questions . 6.5 mm bullets
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