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Rifles, Reloading, Optics, Equipment
Reloading
Staball Powder
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<blockquote data-quote="mmacfive" data-source="post: 2053763" data-attributes="member: 93205"><p>It's confusing why Remington chose to establish the 280 at reduced psi compared to the 270. If the firearms are the same you can load them to the same psi.</p><p></p><p>Since the 280 has slightly more area (larger diameter) and the shoulder is moved forward for more case capacity it can out run the 270 slightly. </p><p></p><p>Its easy to approach 3100fps with a 140 in the 280. Higher with HSP and SB6.5. Basically a 280 will equal the velocity of the 270 with 10 gr heavier bullets (equal sd's). </p><p></p><p>when loaded to the same psi the 280 AI only outpaces the 280 by about 40-50 psi.</p><p></p><p>Good luck.</p></blockquote><p></p>
[QUOTE="mmacfive, post: 2053763, member: 93205"] It’s confusing why Remington chose to establish the 280 at reduced psi compared to the 270. If the firearms are the same you can load them to the same psi. Since the 280 has slightly more area (larger diameter) and the shoulder is moved forward for more case capacity it can out run the 270 slightly. Its easy to approach 3100fps with a 140 in the 280. Higher with HSP and SB6.5. Basically a 280 will equal the velocity of the 270 with 10 gr heavier bullets (equal sd’s). when loaded to the same psi the 280 AI only outpaces the 280 by about 40-50 psi. Good luck. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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