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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
257 Weatherby build
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<blockquote data-quote="lancetkenyon" data-source="post: 2637514" data-attributes="member: 68875"><p>If you want to run a .257 Wby, go right ahead. But, you could get away with a 1:8" for the heavies, 1:7.5" at the fastest. But the 100-115s might not like that fast of a twist unless you go with a mono.</p><p></p><p>22" will lose quite a bit vs a 26". But no animal will notice at hunting ranges. The heavies will carry more energy at extended ranges though. But a 100gr mono will spit fire out to 700-800ish. </p><p></p><p>I had a 28" .25-06AI that spit a 100 TTSX @ 3600, or a 115 VLD @ 3450. Shot that barrel out in about 750 rounds.</p><p></p><p>I now have a 26" 25SST that pushes a 121 HH @ 3414, or a 133 Elite @ 3199 with a moderate load of H1000. The retained velocity and energy surpass that 100 TTSX about 600 yards, and extend the range to 1200ish for deer-sized game. I would never go back to a lightweight bullet.</p><p></p><p>I have loaded for several 20-22" 25SSTs. A 133/135 can be pushed to 3050-3100 easily. I would figure a 100-115 would hit 3250-3300 with the rught powder.</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 2637514, member: 68875"] If you want to run a .257 Wby, go right ahead. But, you could get away with a 1:8" for the heavies, 1:7.5" at the fastest. But the 100-115s might not like that fast of a twist unless you go with a mono. 22" will lose quite a bit vs a 26". But no animal will notice at hunting ranges. The heavies will carry more energy at extended ranges though. But a 100gr mono will spit fire out to 700-800ish. I had a 28" .25-06AI that spit a 100 TTSX @ 3600, or a 115 VLD @ 3450. Shot that barrel out in about 750 rounds. I now have a 26" 25SST that pushes a 121 HH @ 3414, or a 133 Elite @ 3199 with a moderate load of H1000. The retained velocity and energy surpass that 100 TTSX about 600 yards, and extend the range to 1200ish for deer-sized game. I would never go back to a lightweight bullet. I have loaded for several 20-22" 25SSTs. A 133/135 can be pushed to 3050-3100 easily. I would figure a 100-115 would hit 3250-3300 with the rught powder. [/QUOTE]
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257 Weatherby build
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