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Long Range Hunting & Shooting
6.5 PRC Barrel Questions
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<blockquote data-quote="parshal" data-source="post: 2639843" data-attributes="member: 605"><p>My experience with velocity differences with different twists.</p><p></p><p>56 grains R23 in a 7.5 twist 65SS gave me 3215 with the 124HH and in an 8 twist 56.1 gave me 3231. Both were 26" barrels but one was a steel Brux and the other a Proof carbon.</p><p></p><p>The only other direct comparison I have with twists had a 2" different barrel length so it's not apples to apples.</p><p></p><p>Personally, I think each barrel being different in and of itself is more of a factor for velocity difference than the twist rate when we're talking 8 vs 7.5.</p></blockquote><p></p>
[QUOTE="parshal, post: 2639843, member: 605"] My experience with velocity differences with different twists. 56 grains R23 in a 7.5 twist 65SS gave me 3215 with the 124HH and in an 8 twist 56.1 gave me 3231. Both were 26" barrels but one was a steel Brux and the other a Proof carbon. The only other direct comparison I have with twists had a 2" different barrel length so it's not apples to apples. Personally, I think each barrel being different in and of itself is more of a factor for velocity difference than the twist rate when we're talking 8 vs 7.5. [/QUOTE]
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