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Varmint Hunting
Speed vs Barrel life
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<blockquote data-quote="SidecarFlip" data-source="post: 1511917" data-attributes="member: 39764"><p>I'm on both sides. On my custom built rifles and the guys I load for, I like to keep them below 3000 fps and adjust the kinetic energy produced by bullet weight as in 338 Lapua and 300 Win Mag but for my varmint rifles, speed is not a concern (22-250). I push them as fast as they will go without exploding the pill in flight from too fast a rotation.</p><p></p><p>I use the 3000 fps as a benchmark for tube erosion and I document that with my Hawkeye bore scope, I inspect the lands, chambers and rifling for copper and residual powder fouling after every build session.</p><p></p><p>Sure, you can twist on a new barrel and clock it but why bother if the stick performs to expectations and is below the 3000 FPS benchmark. My take on it. Personal or not, the way I roll. Besides twisting on a new tube means building an accurate load all over again and I use Walt Berger's loading regimen and it's time consuming and I have other things to do besides bench resting a stick and building loads to find that sweet spot.</p><p></p><p>Good friend of mine and someone who shoots my loads, just took a 350" bull elk in New Mexico 2 days ago. One shot at distance so I know things work just fine and I have his (300WM) clocking at 2950 with 185 Bergers. f course he's an accomplished shooter. Shot placement takes practice, you can have the finest custom built rifle and not be able to hit squat if you cannot shoot in the first place.</p><p></p><p>So both ways. Depending on caliber and intended use.</p></blockquote><p></p>
[QUOTE="SidecarFlip, post: 1511917, member: 39764"] I'm on both sides. On my custom built rifles and the guys I load for, I like to keep them below 3000 fps and adjust the kinetic energy produced by bullet weight as in 338 Lapua and 300 Win Mag but for my varmint rifles, speed is not a concern (22-250). I push them as fast as they will go without exploding the pill in flight from too fast a rotation. I use the 3000 fps as a benchmark for tube erosion and I document that with my Hawkeye bore scope, I inspect the lands, chambers and rifling for copper and residual powder fouling after every build session. Sure, you can twist on a new barrel and clock it but why bother if the stick performs to expectations and is below the 3000 FPS benchmark. My take on it. Personal or not, the way I roll. Besides twisting on a new tube means building an accurate load all over again and I use Walt Berger's loading regimen and it's time consuming and I have other things to do besides bench resting a stick and building loads to find that sweet spot. Good friend of mine and someone who shoots my loads, just took a 350" bull elk in New Mexico 2 days ago. One shot at distance so I know things work just fine and I have his (300WM) clocking at 2950 with 185 Bergers. f course he's an accomplished shooter. Shot placement takes practice, you can have the finest custom built rifle and not be able to hit squat if you cannot shoot in the first place. So both ways. Depending on caliber and intended use. [/QUOTE]
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