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Rifles, Reloading, Optics, Equipment
Reloading
Copper Bullet Blues
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<blockquote data-quote="HarryN" data-source="post: 972244" data-attributes="member: 69773"><p>We all share the same challenge on the copper conversion. I guess one way to look at it is that maybe you can justify a new gun or at least a rebarrel.</p><p> </p><p>I don't claim any great expertise, but if you look carefully at the GS Custom and CEB data (especially GS Custom) there are very specific twist vs bullet length parameters that have a big impact on performance.</p><p> </p><p>I don't know the twist on your rifle, but the twist in my factory 270 win is really marginal for a 130 grain bullet stability. To really do it correctly, it looks like I have to first decide on the exact bullet I want to use, then buy the rifle barrel in the twist needed.</p><p> </p><p>I am using the "opportunity" to justify (in my mind) moving up to 375 or 416, but I am still in the learning phase before making that move.</p></blockquote><p></p>
[QUOTE="HarryN, post: 972244, member: 69773"] We all share the same challenge on the copper conversion. I guess one way to look at it is that maybe you can justify a new gun or at least a rebarrel. I don't claim any great expertise, but if you look carefully at the GS Custom and CEB data (especially GS Custom) there are very specific twist vs bullet length parameters that have a big impact on performance. I don't know the twist on your rifle, but the twist in my factory 270 win is really marginal for a 130 grain bullet stability. To really do it correctly, it looks like I have to first decide on the exact bullet I want to use, then buy the rifle barrel in the twist needed. I am using the "opportunity" to justify (in my mind) moving up to 375 or 416, but I am still in the learning phase before making that move. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Copper Bullet Blues
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