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Hunting
Long Range Hunting & Shooting
Necessary precision to kill something
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<blockquote data-quote="Stokesrjsr" data-source="post: 3057658" data-attributes="member: 108548"><p>This is a great explanation of the precision and accuracy requirements for long range 1st round hits on big game animals vitals in mountainous terrain. It is much more difficult than most people imagine because most people don't actually practice in the mountains enough to fully understand. </p><p>I use the same software that was used in this podcast to simulate the performance of our bullets at 1,000 yards and I have found the same results. However, I will add one very important criteria that was not mentioned and that is the consistency of BC from bullet to bullet. If the standard deviation of the BC is not less than 1% of the BC, then a rifle, load combination, and shooter, that is capable of 1.5 MOA 30 shot groups at 100 yards is not capable of even 2 MOA at 1,000 yards. </p><p>I am the head engineer at Berger and spend much of my time working on how to make our bullets with a very low distribution of BC variance as is possible. We shoot a sample of bullets from every lot and every shift in a 300 meter indoor range and look at both precision and consistency of BC. I've even redesigned bullet making tooling to bring the SD of BC down. </p><p>If you doubt the claim made in this podcast, that it is very hard to achieve 1.5 MOA accuracy, notice I didn't say precision, then I challenge you to take this test. Shoot six five shot groups on one target with a 1.5 MOA circle <img class="smilie smilie--emoji" loading="lazy" alt="⭕" title="Hollow red circle :o:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/2b55.png" data-shortname=":o:" />️ and try to keep all 30 shots inside that circle. I think you will find that it is very difficult to do, even with a gun that consistently shoots 1/2 MOA individual groups.</p><p>Any way, just a very good podcast.</p></blockquote><p></p>
[QUOTE="Stokesrjsr, post: 3057658, member: 108548"] This is a great explanation of the precision and accuracy requirements for long range 1st round hits on big game animals vitals in mountainous terrain. It is much more difficult than most people imagine because most people don’t actually practice in the mountains enough to fully understand. I use the same software that was used in this podcast to simulate the performance of our bullets at 1,000 yards and I have found the same results. However, I will add one very important criteria that was not mentioned and that is the consistency of BC from bullet to bullet. If the standard deviation of the BC is not less than 1% of the BC, then a rifle, load combination, and shooter, that is capable of 1.5 MOA 30 shot groups at 100 yards is not capable of even 2 MOA at 1,000 yards. I am the head engineer at Berger and spend much of my time working on how to make our bullets with a very low distribution of BC variance as is possible. We shoot a sample of bullets from every lot and every shift in a 300 meter indoor range and look at both precision and consistency of BC. I’ve even redesigned bullet making tooling to bring the SD of BC down. If you doubt the claim made in this podcast, that it is very hard to achieve 1.5 MOA accuracy, notice I didn’t say precision, then I challenge you to take this test. Shoot six five shot groups on one target with a 1.5 MOA circle ⭕️ and try to keep all 30 shots inside that circle. I think you will find that it is very difficult to do, even with a gun that consistently shoots 1/2 MOA individual groups. Any way, just a very good podcast. [/QUOTE]
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