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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.260 vs 6.5 Creedmore
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<blockquote data-quote="J E Custom" data-source="post: 1945796" data-attributes="member: 2736"><p>My loads were 3055 ft/sec and 3040 with two different powders. Still a work in progress, but limiting my self to 60,000 Psi. I can push that a little but don't like Max pressure loads.</p><p></p><p>The top listed loads for the PRC show 3090 ft/sec @ 61,200 Psi with a 30 grain bullet. so with a 60,000 psi load I am within 35 ft/sec of the PRC with a 61,200 Psi load. I am sure ether cartridge can be faster if the pressure is upped, but I prefer to stay away from that problem. </p><p></p><p>I gained some velocity by extending the free bore and reducing the lead angle and another friends 260 rifle without these features velocity runs almost exactly the same velocity as yours with the 130 grain bullets. (3030 ft/sec) with higher pressures.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1945796, member: 2736"] My loads were 3055 ft/sec and 3040 with two different powders. Still a work in progress, but limiting my self to 60,000 Psi. I can push that a little but don't like Max pressure loads. The top listed loads for the PRC show 3090 ft/sec @ 61,200 Psi with a 30 grain bullet. so with a 60,000 psi load I am within 35 ft/sec of the PRC with a 61,200 Psi load. I am sure ether cartridge can be faster if the pressure is upped, but I prefer to stay away from that problem. I gained some velocity by extending the free bore and reducing the lead angle and another friends 260 rifle without these features velocity runs almost exactly the same velocity as yours with the 130 grain bullets. (3030 ft/sec) with higher pressures. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.260 vs 6.5 Creedmore
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