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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
More range testing with 338 Allen Magnum XHS rifle....
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<blockquote data-quote="Fiftydriver" data-source="post: 155700" data-attributes="member: 10"><p>Festus,</p><p></p><p>You put near 150 grains of any powder in a 338 bore and you will be looking at 1000 rounds of accurate barrel life at most. I have not seen a real difference between the two in this chambering.</p><p></p><p>H-50BMG makes it alot easier to get tighter extreme spreads for what this round is designed for that is probably my preferred powder for most applications.</p><p></p><p>Most critical thing to barrel life in this round is not shooting more then three shots without letting the barrel cool completely before shooting again. That is as far as bench shooting.</p><p></p><p>The occasional longer string will not destroy a barrel in 10 shots but those that feel only 5 shot groups tell you anything about the accuracy of a rifle will be getting new barrels sooner then later!! /ubbthreads/images/graemlins/grin.gif</p><p></p><p>My 375 AM version will be much more barrel friendly but bullet selection is the key there.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 155700, member: 10"] Festus, You put near 150 grains of any powder in a 338 bore and you will be looking at 1000 rounds of accurate barrel life at most. I have not seen a real difference between the two in this chambering. H-50BMG makes it alot easier to get tighter extreme spreads for what this round is designed for that is probably my preferred powder for most applications. Most critical thing to barrel life in this round is not shooting more then three shots without letting the barrel cool completely before shooting again. That is as far as bench shooting. The occasional longer string will not destroy a barrel in 10 shots but those that feel only 5 shot groups tell you anything about the accuracy of a rifle will be getting new barrels sooner then later!! [img]/ubbthreads/images/graemlins/grin.gif[/img] My 375 AM version will be much more barrel friendly but bullet selection is the key there. Kirby Allen(50) [/QUOTE]
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More range testing with 338 Allen Magnum XHS rifle....
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