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Hunting
Extreme Long Range Hunting & Shooting (ELR)
Verifying Drop
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<blockquote data-quote="Ucsdryder" data-source="post: 2236950" data-attributes="member: 94543"><p>With all the ballistic calculators out now, the only real wild card seems to be B.C. BC isn't something easily measured and it seems manufacturers have a tendency to exaggerate the number. Speed, twist, environment, bullet weight, etc are all pretty simple to confirm. It seems like if you could get your BC correct on a ballistic calculator and verify drop at whatever range you choose, all the other ranges would fall into place.</p><p></p><p>Let me try to explain better. If your ballistic calculator states at 1000 yards your drop should be 7.8 mils but your true drop is 8.1 mils, if you play with the BC on your calculator until your calculator gives you 8.1 mils at 1000, all the other distances should fall into place. A spot check here and there and it would be a pretty easy way of verifying drop. Has anybody tried this method?</p><p></p><p>The other method would be to shoot a 3-5 shot group from 100 to your maximum shooting distance. It wouldn't use a ton of ammo, let's say 30-50 rounds, but moving a target in 100 yard increments every 5 shots could take the better part of a day, would be decently expensive, and a lot of guys can't put 50 rounds down range with a hunting rifle due to recoil.</p></blockquote><p></p>
[QUOTE="Ucsdryder, post: 2236950, member: 94543"] With all the ballistic calculators out now, the only real wild card seems to be B.C. BC isn’t something easily measured and it seems manufacturers have a tendency to exaggerate the number. Speed, twist, environment, bullet weight, etc are all pretty simple to confirm. It seems like if you could get your BC correct on a ballistic calculator and verify drop at whatever range you choose, all the other ranges would fall into place. Let me try to explain better. If your ballistic calculator states at 1000 yards your drop should be 7.8 mils but your true drop is 8.1 mils, if you play with the BC on your calculator until your calculator gives you 8.1 mils at 1000, all the other distances should fall into place. A spot check here and there and it would be a pretty easy way of verifying drop. Has anybody tried this method? The other method would be to shoot a 3-5 shot group from 100 to your maximum shooting distance. It wouldn’t use a ton of ammo, let’s say 30-50 rounds, but moving a target in 100 yard increments every 5 shots could take the better part of a day, would be decently expensive, and a lot of guys can’t put 50 rounds down range with a hunting rifle due to recoil. [/QUOTE]
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