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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm PRC Shorter Barrel Twist Rate
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<blockquote data-quote="Lefty7mmstw" data-source="post: 2788987" data-attributes="member: 48043"><p>It's not that often you see that kind of loss, but it happens. I had a 30-06 for a spell that was 2650 fps with a 165 Hornady and I 4350 topped out. I've had a few other 30-06 rifles that have run in the 2800-2900 fps range with the same load. My current rifle is just over 2800 fps. I've also seen this with 7mmstw's pushing 140's with rl25. My Accubond load was a bit over 3400 fps in my old Sendero, 3280 fps in the 24" tube on my lh rifle when I got it, and mid 33's with my current 27" Shilen. </p><p>You can't do much about it other than amputating the barrel and hoping the new one is faster or tailoring a load to your current barrel.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 2788987, member: 48043"] It's not that often you see that kind of loss, but it happens. I had a 30-06 for a spell that was 2650 fps with a 165 Hornady and I 4350 topped out. I've had a few other 30-06 rifles that have run in the 2800-2900 fps range with the same load. My current rifle is just over 2800 fps. I've also seen this with 7mmstw's pushing 140's with rl25. My Accubond load was a bit over 3400 fps in my old Sendero, 3280 fps in the 24" tube on my lh rifle when I got it, and mid 33's with my current 27" Shilen. You can't do much about it other than amputating the barrel and hoping the new one is faster or tailoring a load to your current barrel. [/QUOTE]
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7mm PRC Shorter Barrel Twist Rate
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