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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 Remington Ultra Magnum necked up to 50 caliber (.510)
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<blockquote data-quote="biff&#039;s reloading" data-source="post: 1812257" data-attributes="member: 6078"><p>.510 won't work. .500 barely works in the mdm. I built my rum in .475 so I have positive shoulder headspacing. I cast 530gr checked hard lead for it and load 500gr tsx and a few other 470ne bullets. if you want long range big bore on a .534 bolt, try .416 or .458 rum with cutting edge solids</p><p>[ATTACH=full]170393[/ATTACH] [ATTACH=full]170394[/ATTACH]</p></blockquote><p></p>
[QUOTE="biff's reloading, post: 1812257, member: 6078"] .510 won't work. .500 barely works in the mdm. I built my rum in .475 so I have positive shoulder headspacing. I cast 530gr checked hard lead for it and load 500gr tsx and a few other 470ne bullets. if you want long range big bore on a .534 bolt, try .416 or .458 rum with cutting edge solids [ATTACH=full]170393[/ATTACH] [ATTACH=full]170394[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 Remington Ultra Magnum necked up to 50 caliber (.510)
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