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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm/08 twist
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<blockquote data-quote="cape cove" data-source="post: 1386708" data-attributes="member: 95503"><p>I've decided to have my Browning BBR varmint barreled rifle changed. Throat is bad after 2800 rounds. My go to bullet has been the 168 Sierra MK in this 1/9.25 twist barrel and from a stone stock rifle it grouped .3-.4 MOA. Since I purchased this rifle in 1987 there have been many long for caliber bullets introduced. After using several twist stabalizer programs and plugging in many of the recent bullet weights and lengths I've come to a decision to get a 1/8.5 twist. My question is if I have to fall back to the 168 Sierra would this faster twist somehow compromise the accuracy of this bullet. Most of the twist programs would give me a optiomal twist of 1/9.7 for this bullet.</p><p>TKS</p></blockquote><p></p>
[QUOTE="cape cove, post: 1386708, member: 95503"] I've decided to have my Browning BBR varmint barreled rifle changed. Throat is bad after 2800 rounds. My go to bullet has been the 168 Sierra MK in this 1/9.25 twist barrel and from a stone stock rifle it grouped .3-.4 MOA. Since I purchased this rifle in 1987 there have been many long for caliber bullets introduced. After using several twist stabalizer programs and plugging in many of the recent bullet weights and lengths I've come to a decision to get a 1/8.5 twist. My question is if I have to fall back to the 168 Sierra would this faster twist somehow compromise the accuracy of this bullet. Most of the twist programs would give me a optiomal twist of 1/9.7 for this bullet. TKS [/QUOTE]
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7mm/08 twist
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