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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
257 Build?
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<blockquote data-quote="highdrum" data-source="post: 2170210" data-attributes="member: 13732"><p>For best barrel life, good performance, brass that'll last forever, I think a 25prc with adg/Lapua brass would be best. 160 freebore to keep bearing surface in the neck when ran 35k off lands(this seating depth has shot the most consistent in 4 different chambers with 131 aces). The magnum case head, loaded to say 3080-3100fps feom a 24-26" barrel will be in a middle node and be low pressure. </p><p>The 25sst looks the best on paper, 71gr powder, short coal, run easily in 2.95" action, adg brass, but unproven results for me so far. </p><p> My saum was a ripper running 3220-3250fps w/ rl26. This load wasn't that hot either, but Prairie dog towns got the best of me and I got it a bit TOO hot on more than one occasion.</p></blockquote><p></p>
[QUOTE="highdrum, post: 2170210, member: 13732"] For best barrel life, good performance, brass that'll last forever, I think a 25prc with adg/Lapua brass would be best. 160 freebore to keep bearing surface in the neck when ran 35k off lands(this seating depth has shot the most consistent in 4 different chambers with 131 aces). The magnum case head, loaded to say 3080-3100fps feom a 24-26" barrel will be in a middle node and be low pressure. The 25sst looks the best on paper, 71gr powder, short coal, run easily in 2.95" action, adg brass, but unproven results for me so far. My saum was a ripper running 3220-3250fps w/ rl26. This load wasn't that hot either, but Prairie dog towns got the best of me and I got it a bit TOO hot on more than one occasion. [/QUOTE]
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