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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.257 135 Berger real world experience wanted.
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<blockquote data-quote="DRock" data-source="post: 2292696" data-attributes="member: 109187"><p>I have a 257 Weatherby 24" tube with a 7.5 twist throated to shoot the 131 blackjack bullets. I am getting nearly 3300 fps with H1000 with the blackjacks and 3250 with the Berger 135. I think you will get better velocity if you build a rifle that will allow you to seat the bullets out farther and get more powder in the case. My buddy built the same rifle but put a 26" tube on his and he is hitting 3350 with the Blackjack. My COAL is 3.575 and I am running 72g H1000. I hope that helps.</p></blockquote><p></p>
[QUOTE="DRock, post: 2292696, member: 109187"] I have a 257 Weatherby 24" tube with a 7.5 twist throated to shoot the 131 blackjack bullets. I am getting nearly 3300 fps with H1000 with the blackjacks and 3250 with the Berger 135. I think you will get better velocity if you build a rifle that will allow you to seat the bullets out farther and get more powder in the case. My buddy built the same rifle but put a 26" tube on his and he is hitting 3350 with the Blackjack. My COAL is 3.575 and I am running 72g H1000. I hope that helps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.257 135 Berger real world experience wanted.
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