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Long Range Hunting & Shooting
Ballistic turret question
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<blockquote data-quote="el matador" data-source="post: 1482798" data-attributes="member: 12193"><p>Using ballistic turrets is not nearly as dicey as you guys are suggesting. Changes in atmospheric conditions do not affect point of impact very much at short to medium range. If your turret is set up for average conditions in your hunting area there's no need to compensate for temperature or altitude changes when shooting inside 500 yards. </p><p></p><p>Just zero your gun at 500 with the turret set on 500. Any elevation errors due to your velocity change will then be 3/4" or less from 100 to 600+ yards. To me this is not worth buying a new turret. </p><p></p><p>It would be uncommon for atmospheric changes to account for more than 1" of error at 600. I guess you could draw up some conditions that gave you 1.5 or 2" but your chances of facing such extremes would be very slight. So assuming the worst (2" of error at 600 yards) there is still no reason to buy a new turret. Because by zeroing at 500 you've all but eliminated any other errors in elevation. At ranges where your turret is causing the most error (300 yards) the atmospherics are insignificant.</p><p></p><p>If you are shooting a temperature sensitive powder you could incur some additional elevation issues with changes in temp. But once again a new turret will not solve the problem. Its always best to learn how your rifle behaves in different environments and then decide how far out you'll trust the ballistic turret.</p></blockquote><p></p>
[QUOTE="el matador, post: 1482798, member: 12193"] Using ballistic turrets is not nearly as dicey as you guys are suggesting. Changes in atmospheric conditions do not affect point of impact very much at short to medium range. If your turret is set up for average conditions in your hunting area there's no need to compensate for temperature or altitude changes when shooting inside 500 yards. Just zero your gun at 500 with the turret set on 500. Any elevation errors due to your velocity change will then be 3/4" or less from 100 to 600+ yards. To me this is not worth buying a new turret. It would be uncommon for atmospheric changes to account for more than 1" of error at 600. I guess you could draw up some conditions that gave you 1.5 or 2" but your chances of facing such extremes would be very slight. So assuming the worst (2" of error at 600 yards) there is still no reason to buy a new turret. Because by zeroing at 500 you've all but eliminated any other errors in elevation. At ranges where your turret is causing the most error (300 yards) the atmospherics are insignificant. If you are shooting a temperature sensitive powder you could incur some additional elevation issues with changes in temp. But once again a new turret will not solve the problem. Its always best to learn how your rifle behaves in different environments and then decide how far out you'll trust the ballistic turret. [/QUOTE]
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