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Hunting
Long Range Hunting & Shooting
7mm Rem Accumark Load Testing
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<blockquote data-quote="Topshot" data-source="post: 372462" data-attributes="member: 13285"><p>I would say that you can not tell much from one 3 shot group of any particular powder charge. Too small a sample. Could be the load, could be wind, could be you, could be seating depth, could be a number of things.</p><p> </p><p>Now if you repeat this whole experiment 3 times and get more data. Then you will have a better idea of what is going on. But this is an expensive exercise and is wearing out your barrel. </p><p> </p><p>With "big cartridges", I have given up on this process due to the large number of shots involved. I now forget about accuracy and just work out where my maximum charge weight is. Then back off 1 grain and play about for an accurate load by adjusting seating depth.</p><p> </p><p>If I can not find an accurate load at this charge weight by adjusting seating depth, I then back off the powder charge by 1 grain, and try again, starting with using the most accurate seating depth from the higher powder charge.</p></blockquote><p></p>
[QUOTE="Topshot, post: 372462, member: 13285"] I would say that you can not tell much from one 3 shot group of any particular powder charge. Too small a sample. Could be the load, could be wind, could be you, could be seating depth, could be a number of things. Now if you repeat this whole experiment 3 times and get more data. Then you will have a better idea of what is going on. But this is an expensive exercise and is wearing out your barrel. With "big cartridges", I have given up on this process due to the large number of shots involved. I now forget about accuracy and just work out where my maximum charge weight is. Then back off 1 grain and play about for an accurate load by adjusting seating depth. If I can not find an accurate load at this charge weight by adjusting seating depth, I then back off the powder charge by 1 grain, and try again, starting with using the most accurate seating depth from the higher powder charge. [/QUOTE]
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7mm Rem Accumark Load Testing
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