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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="Aragorn50" data-source="post: 156006" data-attributes="member: 8024"><p>Kirby,</p><p></p><p>Thanks for the kind words and load data experiences. I was pleasantly surprised to see Keith's article, as it was nice to actually see the photo's of your wildcats. I have used a shortened/improved case in my competition 50's, which was designed by Lynn McMurdo. It is .375 shorter with an "improved" shoulder. I typically get 75-100 fps more velocity using the same 800 gr. projo, with 5-10 gr. less of the same VV20N29 powder than I do in the standard BMG case, and it is right at 100% load density. It even sounds different than the standard case, with the muzzle blast shorter/sharper that the long booooom with the standard case. Having the sharper shoulder and the base of the projo sitting on top of the powder column certainly seems to get the slow powders to burn more efficiently.</p><p></p><p>Since Illinois is making the climate for 50 owners so tenuous, I have been playing with a custom .338LM built off a Nesika action, an Obermeyer barrel on an A5 stock. </p><p></p><p>My next project will be on the 408CT case, but I haven't decided if I want to go the .375 route or not.</p><p></p><p>Scott Nye</p></blockquote><p></p>
[QUOTE="Aragorn50, post: 156006, member: 8024"] Kirby, Thanks for the kind words and load data experiences. I was pleasantly surprised to see Keith's article, as it was nice to actually see the photo's of your wildcats. I have used a shortened/improved case in my competition 50's, which was designed by Lynn McMurdo. It is .375 shorter with an "improved" shoulder. I typically get 75-100 fps more velocity using the same 800 gr. projo, with 5-10 gr. less of the same VV20N29 powder than I do in the standard BMG case, and it is right at 100% load density. It even sounds different than the standard case, with the muzzle blast shorter/sharper that the long booooom with the standard case. Having the sharper shoulder and the base of the projo sitting on top of the powder column certainly seems to get the slow powders to burn more efficiently. Since Illinois is making the climate for 50 owners so tenuous, I have been playing with a custom .338LM built off a Nesika action, an Obermeyer barrel on an A5 stock. My next project will be on the 408CT case, but I haven't decided if I want to go the .375 route or not. Scott Nye [/QUOTE]
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More range testing with 338 Allen Magnum XHS rifle....
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