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Rifles, Reloading, Optics, Equipment
Reloading
chicken or egg - seating depth or powder
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<blockquote data-quote="J E Custom" data-source="post: 393886" data-attributes="member: 2736"><p>I wouldn't try to duplicate factory loads because they often use proprietary powders that we </p><p>cant buy.</p><p></p><p>I approach a starting load this way= Make a dummy round that will clear your mag by .020</p><p>in length and keep it with your dies for future reference.</p><p></p><p>Next take the same type and weight bullet and place it beside the dummy round to see how</p><p>much it infringes on the case capacity.</p><p></p><p>Try to find a powder that @ 98% case density reaches near maximum pressure. this will </p><p>normally tell you which powder will reach max velocity and pressure for that round.</p><p></p><p>Then start loading 1 to 2 grains below max and work up in .02 grain increments.</p><p></p><p>I chronograph all of my test loads looking for the best SDs with that powder, primer,bullet</p><p>and case combination. (SDs are very important for long range shooting/hunting).</p><p></p><p>Once you have the best SDs then you can play with bullet designs for optumum accuracy.</p><p></p><p>I find that most loads perform best at near 100% powder capacity</p><p></p><p>This process saves a lot of trial and error for me.</p><p></p><p>Just the way I do it because it works for me.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 393886, member: 2736"] I wouldn't try to duplicate factory loads because they often use proprietary powders that we cant buy. I approach a starting load this way= Make a dummy round that will clear your mag by .020 in length and keep it with your dies for future reference. Next take the same type and weight bullet and place it beside the dummy round to see how much it infringes on the case capacity. Try to find a powder that @ 98% case density reaches near maximum pressure. this will normally tell you which powder will reach max velocity and pressure for that round. Then start loading 1 to 2 grains below max and work up in .02 grain increments. I chronograph all of my test loads looking for the best SDs with that powder, primer,bullet and case combination. (SDs are very important for long range shooting/hunting). Once you have the best SDs then you can play with bullet designs for optumum accuracy. I find that most loads perform best at near 100% powder capacity This process saves a lot of trial and error for me. Just the way I do it because it works for me. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
chicken or egg - seating depth or powder
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