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Long Range Hunting & Shooting
When do you stop chasing accuracy?
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<blockquote data-quote="Okanogan" data-source="post: 2523013" data-attributes="member: 90397"><p>If you're interested some statistical validation for when to quit chasing precision, Brian Litz offers a chapter on it in his book Accuracy and Precision For Long Range Shooting. My take away is that precision matters for long range but chasing more than about 0.5 MOA might not be a good return on effort for most people given all the other variable that come into play. </p><p></p><p>As an example, here is some data from one of his figures for effect on accuracy at different distances considering +/- 1 mph wind,+/- 1 yd range and 10 fps SD. The numbers are hit percentage on a 10 inch target</p><p></p><p>Range 0.5 MOA 1.0 MOA</p><p>500 100% 99%</p><p>600 99% 93%</p><p>700 92% 83%</p><p>800 78% 67%</p><p>900 56% 49%</p><p>1000 40% 35%</p><p></p><p>I didn't go back and dig through the chapters for more info but I think for the example above, working on bringing down the fps SD would prove beneficial because you'll notice at 900+ yds the benefit of improved precision has diminished from intermediate ranges. </p><p></p><p>If you're interested in being able to quantify the variables in long range shooting, the Litz books are pretty interesting.</p></blockquote><p></p>
[QUOTE="Okanogan, post: 2523013, member: 90397"] If you're interested some statistical validation for when to quit chasing precision, Brian Litz offers a chapter on it in his book Accuracy and Precision For Long Range Shooting. My take away is that precision matters for long range but chasing more than about 0.5 MOA might not be a good return on effort for most people given all the other variable that come into play. As an example, here is some data from one of his figures for effect on accuracy at different distances considering +/- 1 mph wind,+/- 1 yd range and 10 fps SD. The numbers are hit percentage on a 10 inch target Range 0.5 MOA 1.0 MOA 500 100% 99% 600 99% 93% 700 92% 83% 800 78% 67% 900 56% 49% 1000 40% 35% I didn't go back and dig through the chapters for more info but I think for the example above, working on bringing down the fps SD would prove beneficial because you'll notice at 900+ yds the benefit of improved precision has diminished from intermediate ranges. If you're interested in being able to quantify the variables in long range shooting, the Litz books are pretty interesting. [/QUOTE]
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When do you stop chasing accuracy?
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