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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy or low ES?
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<blockquote data-quote="MagnumManiac" data-source="post: 1041812" data-attributes="member: 10755"><p>Your understanding and calculations are correct, vertical dispersion is your enemy at 1000yrds if you ES is way off, but, MoA at 100yrds does not mean MoA at 1000yrds, either.</p><p>I have experienced a load that was a little tighter in MoA at 600yrds over what it was at 300yrds, the groups are not smaller, it just prints into less MoA at the longer yardage.</p><p>The only way to find what shoots at range and what doesn't is to shoot at range, I use gongs on my farm, it is a challenge in the wind because I am in a large valley that swirls any air currents into bizarre patterns or no pattern at all. Wind may be from 12 o'clock at my bench, but may be at 3 o'clock at the gong, or vice versa.</p><p></p><p>Looking for a low ES/SD is the right direction, but you must have small groups that coincide with those results.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1041812, member: 10755"] Your understanding and calculations are correct, vertical dispersion is your enemy at 1000yrds if you ES is way off, but, MoA at 100yrds does not mean MoA at 1000yrds, either. I have experienced a load that was a little tighter in MoA at 600yrds over what it was at 300yrds, the groups are not smaller, it just prints into less MoA at the longer yardage. The only way to find what shoots at range and what doesn't is to shoot at range, I use gongs on my farm, it is a challenge in the wind because I am in a large valley that swirls any air currents into bizarre patterns or no pattern at all. Wind may be from 12 o'clock at my bench, but may be at 3 o'clock at the gong, or vice versa. Looking for a low ES/SD is the right direction, but you must have small groups that coincide with those results. Cheers. gun) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Accuracy or low ES?
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