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Rifles, Reloading, Optics, Equipment
Reloading
chronograph & load development?
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<blockquote data-quote="J E Custom" data-source="post: 292202" data-attributes="member: 2736"><p>More than anything it will save you time and money.</p><p></p><p>I use to go by group size and found that a good group at 100 yards did not guaranty</p><p>a good group at 600 yards because the SDs could be bad and at 100yrds still shoot </p><p>good groups.</p><p></p><p>So now I load 3 test loads for each powder weight with the bullet I want to use and</p><p>fire 2 then check the SDs , and if they are over 15 I save the 3rd round and pull and</p><p>reload it.</p><p></p><p>When I find a load in the single digits then I shoot the 3rd round to see if the SDs hold.</p><p></p><p>Now to improve accuracy I load that load with different bullet seating depths until I </p><p>get the best accuracy. and if it shoots 1/2 MOA at 100yards then it will shoot close</p><p>to that at 600 or 1000yrds if I do my part and have choosing a good bullet for long range.</p><p></p><p>There are many advantages in using a chronograph because they give you a history</p><p>to go back to if you have to change powder lots. </p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 292202, member: 2736"] More than anything it will save you time and money. I use to go by group size and found that a good group at 100 yards did not guaranty a good group at 600 yards because the SDs could be bad and at 100yrds still shoot good groups. So now I load 3 test loads for each powder weight with the bullet I want to use and fire 2 then check the SDs , and if they are over 15 I save the 3rd round and pull and reload it. When I find a load in the single digits then I shoot the 3rd round to see if the SDs hold. Now to improve accuracy I load that load with different bullet seating depths until I get the best accuracy. and if it shoots 1/2 MOA at 100yards then it will shoot close to that at 600 or 1000yrds if I do my part and have choosing a good bullet for long range. There are many advantages in using a chronograph because they give you a history to go back to if you have to change powder lots. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
chronograph & load development?
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