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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Have action need cartridge
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<blockquote data-quote="P7M13" data-source="post: 3088578" data-attributes="member: 94154"><p>If it were my action and my money to burn, I'd go 7 PRC sized case, blown out to 338.</p><p>I would likely take 300 PRC, blow it out to 338 and then push the shoulder back for a more compact cartridge, targeting for 70-80gr of powder case capacity.</p><p>Load 300 grain long. Have someone use quickload or GRT to see about powders like H4350 / H4831 / RL17 - RL19 to get the best velocity and burn out of a 20"</p><p>You might even look at moving up to a 9.3 or even a .375, and could possibly use even faster powders.</p><p></p><p>If you think along the lines of a 416 Rigby -- 350gr bullet / 90-100 grains of powder and 20" barrel.</p><p>Whatever you build, with a large bullet and short barrel, the recoil will be stout.</p></blockquote><p></p>
[QUOTE="P7M13, post: 3088578, member: 94154"] If it were my action and my money to burn, I'd go 7 PRC sized case, blown out to 338. I would likely take 300 PRC, blow it out to 338 and then push the shoulder back for a more compact cartridge, targeting for 70-80gr of powder case capacity. Load 300 grain long. Have someone use quickload or GRT to see about powders like H4350 / H4831 / RL17 - RL19 to get the best velocity and burn out of a 20" You might even look at moving up to a 9.3 or even a .375, and could possibly use even faster powders. If you think along the lines of a 416 Rigby -- 350gr bullet / 90-100 grains of powder and 20" barrel. Whatever you build, with a large bullet and short barrel, the recoil will be stout. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Have action need cartridge
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