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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Severely Overbore Chartidges and short barrel life myths...
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<blockquote data-quote="Mikecr" data-source="post: 427630" data-attributes="member: 1521"><p>I agree that a hunting barrel's life should be high, no matter the cartridge. This, because we should be highly focused on cold bore accuracy rather than grouping. Even a 220swift could last a lifetime of actual hunting.</p><p></p><p>Barrel life has always been subject to performance expectations though. I recently polled BR shooters about their current 6PPC barrel life expectations. This is by no stretch a barrel burner, and if used strictly for hunting, would probably last 100yrs. A link:</p><p><a href="http://benchrest.com/showthread.php?71525-Barrel-life-of-6PPC" target="_blank">Barrel life of 6PPC?</a></p><p>Now these guys have to toss a barrel by 0.1moa of performance slip. But even at the pressures and timing they punish these barrels with, they would never have to toss one if 3/4 to 1moa was acceptable.</p><p></p><p>Personally, I would toss or set-back a hunting barrel once exceeding 1/2moa of cold bore accuracy at 500. That would be the point where it's just no use to me, as I hunt groundhogs.</p><p>So I get more out of my barrels than BR shooters, but less than you.</p><p>As implied in another thread, there is rarely anything in shooting that applies across the board.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 427630, member: 1521"] I agree that a hunting barrel's life should be high, no matter the cartridge. This, because we should be highly focused on cold bore accuracy rather than grouping. Even a 220swift could last a lifetime of actual hunting. Barrel life has always been subject to performance expectations though. I recently polled BR shooters about their current 6PPC barrel life expectations. This is by no stretch a barrel burner, and if used strictly for hunting, would probably last 100yrs. A link: [url=http://benchrest.com/showthread.php?71525-Barrel-life-of-6PPC]Barrel life of 6PPC?[/url] Now these guys have to toss a barrel by 0.1moa of performance slip. But even at the pressures and timing they punish these barrels with, they would never have to toss one if 3/4 to 1moa was acceptable. Personally, I would toss or set-back a hunting barrel once exceeding 1/2moa of cold bore accuracy at 500. That would be the point where it's just no use to me, as I hunt groundhogs. So I get more out of my barrels than BR shooters, but less than you. As implied in another thread, there is rarely anything in shooting that applies across the board. [/QUOTE]
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Severely Overbore Chartidges and short barrel life myths...
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