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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
How to tell if my zero is shifting?
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<blockquote data-quote="Guest" data-source="post: 65610"><p>A faulty scope that will not hold its zero will almost always shoot two different groups. One round will alternate with the other. For instance, at 100 yards, the first round will impact at 7:00; the second will impact at 2:00 and repeat itself. This is a classic example of a failure. Another example will have the groups making an overall "V" pattern. If you are shooting 1" dots that are from left to right on the target paper, (let's say five dots in a row) the pattern made can appear as a slight "V." Another scenario is that if the interior spring(s) inside of the scope have completely fatigued altogether, your group will be all over the place; I mean 8" groups at 100 yards!</p><p></p><p>If your rifle is not properly bedded, it will shoot two lateral, left to right groups. Make certain though that it is not a poor quality rifle or barrel. Barrels, once rusted inside will never shoot well again. Also, a factory grade barrel will shoot the first two rounds fairly close together, but once it heats up, the third or fourth round and every other round after that will walk / hit approx. 1" to the right.</p></blockquote><p></p>
[QUOTE="Guest, post: 65610"] A faulty scope that will not hold its zero will almost always shoot two different groups. One round will alternate with the other. For instance, at 100 yards, the first round will impact at 7:00; the second will impact at 2:00 and repeat itself. This is a classic example of a failure. Another example will have the groups making an overall “V” pattern. If you are shooting 1” dots that are from left to right on the target paper, (let’s say five dots in a row) the pattern made can appear as a slight “V.” Another scenario is that if the interior spring(s) inside of the scope have completely fatigued altogether, your group will be all over the place; I mean 8” groups at 100 yards! If your rifle is not properly bedded, it will shoot two lateral, left to right groups. Make certain though that it is not a poor quality rifle or barrel. Barrels, once rusted inside will never shoot well again. Also, a factory grade barrel will shoot the first two rounds fairly close together, but once it heats up, the third or fourth round and every other round after that will walk / hit approx. 1” to the right. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
How to tell if my zero is shifting?
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