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Hunting
Long Range Hunting & Shooting
How much time and effort do you give a bullet, powder.
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<blockquote data-quote="Earlybugle" data-source="post: 1688031" data-attributes="member: 13897"><p>I first select a bullet and weight, then do some research on published accurate loads with that bullet. From that research, I select my first round component set (powder and charge weight, primer, and projectile) to test. Using those components I load up 4 round sets that are in weight increments of 0.7grains between each set (group). Normally I end up having 7-10 loads to fire 3 round groups with (the 4th test round is available if I failed to do my job shooting one of the prior three )</p><p></p><p>My groups will typically vary between 0.50 - 1.75 MOA. If the best first round group is .75MOA or less, I select the load with the best group and normally is it also the lowest m-velocity Standard Deviation (SD).</p><p></p><p>If the best group is 1/2MOA or better I jump to COAL adjustment. If still 3/4MOA or more, I change powders. If over a half MOA..... I will then reload and fire 5 round groups around the selected powder charge above and below, in increments of .01grains. Usually another 1/4MOA comes out of the group. </p><p></p><p>Finally I adjust COAL which often yields another 1/8MOA.</p></blockquote><p></p>
[QUOTE="Earlybugle, post: 1688031, member: 13897"] I first select a bullet and weight, then do some research on published accurate loads with that bullet. From that research, I select my first round component set (powder and charge weight, primer, and projectile) to test. Using those components I load up 4 round sets that are in weight increments of 0.7grains between each set (group). Normally I end up having 7-10 loads to fire 3 round groups with (the 4th test round is available if I failed to do my job shooting one of the prior three ) My groups will typically vary between 0.50 - 1.75 MOA. If the best first round group is .75MOA or less, I select the load with the best group and normally is it also the lowest m-velocity Standard Deviation (SD). If the best group is 1/2MOA or better I jump to COAL adjustment. If still 3/4MOA or more, I change powders. If over a half MOA..... I will then reload and fire 5 round groups around the selected powder charge above and below, in increments of .01grains. Usually another 1/4MOA comes out of the group. Finally I adjust COAL which often yields another 1/8MOA. [/QUOTE]
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How much time and effort do you give a bullet, powder.
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