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<blockquote data-quote="BrentM" data-source="post: 3039127" data-attributes="member: 61747"><p>Look up wez by litz.</p><p></p><p>Generally the lower the sd and es the lower the dispersion if things are equal. Since your close range group 2 is not as accurate but lower es you may not see the dispersion until further out. Horizontal and vertical dispersion are the things we need to control best we can. Vertical dispersion is the ES and SD generally. Horizontal is often environmental, wind. Scatter dispersion is all things combined and Litz puts into a cone of accuracy for discussion. </p><p></p><p>I've had 150 fps es during load development that shot amazing groups at 500. That's my target range for load development generally. No matter the one time range session findings, I'll always shoot for low es and sd to reduce vertical dispersion and I target .5 moa accuracy at 500 plus. I also generally don't get excited about tight 100 yard groups unless they prove themselves at distance. Most people really believe that close accuracy is linear……<img class="smilie smilie--emoji" loading="lazy" alt="🤷♂️" title="Man shrugging :man_shrugging:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f937-2642.png" data-shortname=":man_shrugging:" /></p></blockquote><p></p>
[QUOTE="BrentM, post: 3039127, member: 61747"] Look up wez by litz. Generally the lower the sd and es the lower the dispersion if things are equal. Since your close range group 2 is not as accurate but lower es you may not see the dispersion until further out. Horizontal and vertical dispersion are the things we need to control best we can. Vertical dispersion is the ES and SD generally. Horizontal is often environmental, wind. Scatter dispersion is all things combined and Litz puts into a cone of accuracy for discussion. I've had 150 fps es during load development that shot amazing groups at 500. That's my target range for load development generally. No matter the one time range session findings, I'll always shoot for low es and sd to reduce vertical dispersion and I target .5 moa accuracy at 500 plus. I also generally don't get excited about tight 100 yard groups unless they prove themselves at distance. Most people really believe that close accuracy is linear……🤷♂️ [/QUOTE]
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