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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Box Test - what does this mean?
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<blockquote data-quote="Scot E" data-source="post: 566663" data-attributes="member: 10832"><p>Well, it seems like you are doing everything right. Assuming you dialed correctly, I think that scope is mil dot reticle but MOA turret right?, The 2 bottom targets are off too far. I would say something is wrong. </p><p></p><p>A couple things you can do.</p><p></p><p>1. Shoot a ladder test, not the load development style but shoot straight up and straight over every 1 or 2 MOA for 10-20 MOA (whatever you have room to do on your target). See if you get consistent results. Then dial down and across, 1 or 2 moa for both turrets, and see if you find any irregularities. I would also be curious to see if you shot another test but only moved up from your zero. Those top targets seem to be pretty good but the bottom ones are not. Make an aim point on that target so you can shoot maybe 4moa up and 8moa up or maybe 8 and 12 moa up. You could also go further down past 4 moa and see if things straighten out or if they stay the same or get worse. </p><p></p><p>One thing to check. A lot of times scopes get tightened way too tight and if you have crappy rings, or poor QC, you can get a pretty bad pinch going on at the tube and that pressure will affect the way the erector moves inside the tube. I have fixed a couple just like this. On one I could actually feel the turret bind just a bit when I hit a certain spot. When the rings were loosened this went away and the reticle moved as it should. An option to check at least.</p><p></p><p>Leupold makes a magnetic boresighter that is really helpful in diagnosing issues like this. Once you square it to your muzzle and reticle you can watch the reticle move as you dial the turret and make sure it is matching up with the measurements on the boresighter. This device is invaluable for all kinds of scope checks. It can't diagnose everything, some tings are caused from recoil related issues but it will do a lot. It is fantastic for this kind of thing as well as verifying turret repeatability, accuracy and also reticle subtention accuracy.</p><p></p><p>I hate little issues like this! Good luck on your search!</p><p></p><p>Scot E.</p></blockquote><p></p>
[QUOTE="Scot E, post: 566663, member: 10832"] Well, it seems like you are doing everything right. Assuming you dialed correctly, I think that scope is mil dot reticle but MOA turret right?, The 2 bottom targets are off too far. I would say something is wrong. A couple things you can do. 1. Shoot a ladder test, not the load development style but shoot straight up and straight over every 1 or 2 MOA for 10-20 MOA (whatever you have room to do on your target). See if you get consistent results. Then dial down and across, 1 or 2 moa for both turrets, and see if you find any irregularities. I would also be curious to see if you shot another test but only moved up from your zero. Those top targets seem to be pretty good but the bottom ones are not. Make an aim point on that target so you can shoot maybe 4moa up and 8moa up or maybe 8 and 12 moa up. You could also go further down past 4 moa and see if things straighten out or if they stay the same or get worse. One thing to check. A lot of times scopes get tightened way too tight and if you have crappy rings, or poor QC, you can get a pretty bad pinch going on at the tube and that pressure will affect the way the erector moves inside the tube. I have fixed a couple just like this. On one I could actually feel the turret bind just a bit when I hit a certain spot. When the rings were loosened this went away and the reticle moved as it should. An option to check at least. Leupold makes a magnetic boresighter that is really helpful in diagnosing issues like this. Once you square it to your muzzle and reticle you can watch the reticle move as you dial the turret and make sure it is matching up with the measurements on the boresighter. This device is invaluable for all kinds of scope checks. It can't diagnose everything, some tings are caused from recoil related issues but it will do a lot. It is fantastic for this kind of thing as well as verifying turret repeatability, accuracy and also reticle subtention accuracy. I hate little issues like this! Good luck on your search! Scot E. [/QUOTE]
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Box Test - what does this mean?
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