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Hunting
The Basics, Starting Out
.308 @ 600 yards help
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<blockquote data-quote="Greyfox" data-source="post: 1002751" data-attributes="member: 10291"><p>I use Shooter with spin drift enabled. If you enter a 0 wind, your windage in the ballistic data will reflect spin drift at a given range. Not sure about the programs you are using. </p><p>The purpose of the tall target test is to insure that your scope is mounted plum with your rifle. At 100 yards draw a vertical line using a weighted string to make sure its at 90 degrees. Making sure that your rifle is level fire groups at zero, and with a 20 MOA elevation using your turrets (or calibrated retical if you use this approach instead of turning turrets). If the two groups are on the plum line your set up is properly aligned. You can also, at the same time, measure and confirm you turret accuracy knowing your exact distance of 100 yards, and measuring between the actual impact point of the two groups against your turret adjustments. I do this when setting up all my long range rigs, and faithfully, and use a scope level.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1002751, member: 10291"] I use Shooter with spin drift enabled. If you enter a 0 wind, your windage in the ballistic data will reflect spin drift at a given range. Not sure about the programs you are using. The purpose of the tall target test is to insure that your scope is mounted plum with your rifle. At 100 yards draw a vertical line using a weighted string to make sure its at 90 degrees. Making sure that your rifle is level fire groups at zero, and with a 20 MOA elevation using your turrets (or calibrated retical if you use this approach instead of turning turrets). If the two groups are on the plum line your set up is properly aligned. You can also, at the same time, measure and confirm you turret accuracy knowing your exact distance of 100 yards, and measuring between the actual impact point of the two groups against your turret adjustments. I do this when setting up all my long range rigs, and faithfully, and use a scope level. [/QUOTE]
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The Basics, Starting Out
.308 @ 600 yards help
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