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Zeroing a scope


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I quite except that the design of the average break barrel air rifle can lead to problems with sights in general and scopes in particular, so some creative tweaking with the mounts may be necessary. Any decent PCP or underlever design shouldn't really have a problem.

An average airgun scope, something like a Hawke 4-12 x 40 has a whopping 80 moa of adjustment. If the reticule is centred, you have the correct mounts correctly fitted and the receiver/barrel correctly machined and not damaged there should be plenty of adjustment to spare.

With a .177 air rifle (850fps, 7.4gn pellet, BC 0.01, 11.5 ftlb) and zeroed at 30 yards there should be enough adjustment from 5 yards at -25 moa to 100 yards at +27 moa.

The simple fact is, if you can't adjust enough for a zero at average ranges, there's something wrong. 

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