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Rifles, Reloading, Optics, Equipment
Reloading
Ladder test/accuracy and velocity ES
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<blockquote data-quote="MNbogboy" data-source="post: 941518" data-attributes="member: 18849"><p>You didn't mention how many shots per group, if it was only 3 or 5 the ES differential could easily reverse with a few more shots in each group...ES and SD averages are far more revealing when 10 or more shots are taken per group or are compiled over several groups within several "outings"....Other things that should be taken into consideration are the bag manners and consistency over every shot....A different shoulder pressure with each shots can change ES dramatically....</p><p></p><p>In my opinion the actual results on the target (with repetition) are more of a factor than the chrono results when decisions are at hand....</p><p></p><p>As mentioned earlier fine tuning depth with both loads may even out or turn your present results around....</p><p></p><p>Also as mentioned a true representation of ES over longer distance will be a factor, but at 400 yards your ES results may or may not show up...A controlled test at 600 or more may answer your initial question.</p><p></p><p>Usually your first cold barrel shot will drive the ES and resultant SD up with the first group compared to subsequent groups....This cold barrel shot actually is the most important one....Getting that shot (usually slower) to group with the rest is very important....In this case your ES may be higher but consistent POI at moderate ranges can be attained....Again that lower velocity at longer ranges will not allow the tightest groups....This is LRH and we have to count on cold barrel #1...</p><p></p><p>My $.02,</p><p>Randy</p></blockquote><p></p>
[QUOTE="MNbogboy, post: 941518, member: 18849"] You didn't mention how many shots per group, if it was only 3 or 5 the ES differential could easily reverse with a few more shots in each group...ES and SD averages are far more revealing when 10 or more shots are taken per group or are compiled over several groups within several "outings"....Other things that should be taken into consideration are the bag manners and consistency over every shot....A different shoulder pressure with each shots can change ES dramatically.... In my opinion the actual results on the target (with repetition) are more of a factor than the chrono results when decisions are at hand.... As mentioned earlier fine tuning depth with both loads may even out or turn your present results around.... Also as mentioned a true representation of ES over longer distance will be a factor, but at 400 yards your ES results may or may not show up...A controlled test at 600 or more may answer your initial question. Usually your first cold barrel shot will drive the ES and resultant SD up with the first group compared to subsequent groups....This cold barrel shot actually is the most important one....Getting that shot (usually slower) to group with the rest is very important....In this case your ES may be higher but consistent POI at moderate ranges can be attained....Again that lower velocity at longer ranges will not allow the tightest groups....This is LRH and we have to count on cold barrel #1... My $.02, Randy [/QUOTE]
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Ladder test/accuracy and velocity ES
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