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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.257 Frustration continues!!!!!!!!!!!!!
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<blockquote data-quote="Qzilla" data-source="post: 174939" data-attributes="member: 6073"><p>I just had Shawn at DE build me a 257WBY on a Rem 700. </p><p></p><p>I shot a few factory loads during break in and they were in the 1moa-1.25 moa range although I was just shocked they shot at all.</p><p></p><p>Once I started playing with loads I messed with H1000 and IMR 7828 with 110gr Accubonds. The bullet or gun was pretty finicky until I hit the sweet spot. The accuracy was never bad but around the 1-1.5 MOA range with most of the loads. Then when I hit the sweet spot with both powders the groups shrunk into tiny holes with the best groups under .25moa.</p><p></p><p>I finally settled on a hot load that the rifle really liked with a COL of 3.248" and it fired 2 seperate groups under .2 and I left it at that.</p><p></p><p>I worked up loads in .3gr increments. Once I got in the sweet spot it took about 1.75grs to get out of it. Anything in that range shot remarkably well.</p><p></p><p></p><p>So, I would switch powder or bullets. I am trying not to be biased but I HATE Barnes bullets. I pretty much shoot Accubonds or Matchkings as they seem to be the king of accuracy for bullets that are easy to come by. And stuff does not seem to walk away from them!!</p><p></p><p>I know that all my 257's love IMR 7828. I tried H1000 because I like it and the extreme spread was 11FPS over 3 rounds.</p></blockquote><p></p>
[QUOTE="Qzilla, post: 174939, member: 6073"] I just had Shawn at DE build me a 257WBY on a Rem 700. I shot a few factory loads during break in and they were in the 1moa-1.25 moa range although I was just shocked they shot at all. Once I started playing with loads I messed with H1000 and IMR 7828 with 110gr Accubonds. The bullet or gun was pretty finicky until I hit the sweet spot. The accuracy was never bad but around the 1-1.5 MOA range with most of the loads. Then when I hit the sweet spot with both powders the groups shrunk into tiny holes with the best groups under .25moa. I finally settled on a hot load that the rifle really liked with a COL of 3.248" and it fired 2 seperate groups under .2 and I left it at that. I worked up loads in .3gr increments. Once I got in the sweet spot it took about 1.75grs to get out of it. Anything in that range shot remarkably well. So, I would switch powder or bullets. I am trying not to be biased but I HATE Barnes bullets. I pretty much shoot Accubonds or Matchkings as they seem to be the king of accuracy for bullets that are easy to come by. And stuff does not seem to walk away from them!! I know that all my 257's love IMR 7828. I tried H1000 because I like it and the extreme spread was 11FPS over 3 rounds. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.257 Frustration continues!!!!!!!!!!!!!
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