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Long Range Hunting & Shooting
Calibrated Ballistics Turret is NOT Matching POI
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<blockquote data-quote="Swiftkill" data-source="post: 1694729" data-attributes="member: 104167"><p>As was said before, there are a lot of variables. I don't think anyone mentioned Barometric pressure and HUMIDITY; they said weather. If you are off by 2" at 600 yards, that is pretty **** good. I don't use the dials, I use Strelok ballistic calculator and set up my parameters for where i think I'll be hunting or shooting and use a few different elevations and average temperature. They have photos of your actual reticle and it shows the spot on your reticle for hold. or use tables. You can take a screen shot of that and save it in your phone. If I am just out in the field I have it printed and put it in a plastic sheet sleeve. If you make them small enough you can just tape over them with clear packing tape like an makeshift lamination. I like to shoot ultra fast cartridges in the first place, so for hunting everything is almost a dead hold out to 400 yards. I often sight in at 300 yard zero or 275. Most hunting situations you don't have too much time to screw with anything. </p><p>ALSO, did you do a box test with your scope? Is it precise? Could be that your scope adjustments are off and don't show up much till after 400 yards. </p><p>I also learned to check my Zero almost every time when I got to where I was going to shoot or hunt. It is almost always off by .25 or .5" at 100 yards with as little as a 2000 ft change in elevation and going fom 50% RH to 10% RH in the desert. .5 inches at 100 yards from a 220 swift is a huge difference at 300 or 400 yards, let alone 500 or 600 yards. Play with ballistic calculators and change the variables to see the differences.</p></blockquote><p></p>
[QUOTE="Swiftkill, post: 1694729, member: 104167"] As was said before, there are a lot of variables. I don't think anyone mentioned Barometric pressure and HUMIDITY; they said weather. If you are off by 2" at 600 yards, that is pretty **** good. I don't use the dials, I use Strelok ballistic calculator and set up my parameters for where i think I'll be hunting or shooting and use a few different elevations and average temperature. They have photos of your actual reticle and it shows the spot on your reticle for hold. or use tables. You can take a screen shot of that and save it in your phone. If I am just out in the field I have it printed and put it in a plastic sheet sleeve. If you make them small enough you can just tape over them with clear packing tape like an makeshift lamination. I like to shoot ultra fast cartridges in the first place, so for hunting everything is almost a dead hold out to 400 yards. I often sight in at 300 yard zero or 275. Most hunting situations you don't have too much time to screw with anything. ALSO, did you do a box test with your scope? Is it precise? Could be that your scope adjustments are off and don't show up much till after 400 yards. I also learned to check my Zero almost every time when I got to where I was going to shoot or hunt. It is almost always off by .25 or .5" at 100 yards with as little as a 2000 ft change in elevation and going fom 50% RH to 10% RH in the desert. .5 inches at 100 yards from a 220 swift is a huge difference at 300 or 400 yards, let alone 500 or 600 yards. Play with ballistic calculators and change the variables to see the differences. [/QUOTE]
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