![In this article we tell you what Minute of Angle (MOA) is and how to calculate it. Moreover, how to maintain zero with your rifle if the magnification of the sight changes. In this article we tell you what Minute of Angle (MOA) is and how to calculate it. Moreover, how to maintain zero with your rifle if the magnification of the sight changes.](https://www.agmglobalvision.com/image/cache/catalog/News/apr21/how-to-calculate-moa-1630-848x424.png)
In this article we tell you what Minute of Angle (MOA) is and how to calculate it. Moreover, how to maintain zero with your rifle if the magnification of the sight changes.
![900 Yards Golf Laser Rangefinder Tournament Legal with Slope Switch, BTMWAY High-Precision Flag Pole Locking (7X Magnification) - Walmart.com 900 Yards Golf Laser Rangefinder Tournament Legal with Slope Switch, BTMWAY High-Precision Flag Pole Locking (7X Magnification) - Walmart.com](https://i5.walmartimages.com/asr/8a4241be-b403-462c-a1e7-afd36026753a.0c88c8fd5f807c0caf2e841708ad69b6.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
900 Yards Golf Laser Rangefinder Tournament Legal with Slope Switch, BTMWAY High-Precision Flag Pole Locking (7X Magnification) - Walmart.com
![This is a photo released by Dr. Tsunemi Kubodera of the National Science Museum, showing a 6-meter (20-foot) tentacle that belonged to Architeuthis when it was photographed for the first time at This is a photo released by Dr. Tsunemi Kubodera of the National Science Museum, showing a 6-meter (20-foot) tentacle that belonged to Architeuthis when it was photographed for the first time at](https://c8.alamy.com/comp/2PDPP76/this-is-a-photo-released-by-dr-tsunemi-kubodera-of-the-national-science-museum-showing-a-6-meter-20-foot-tentacle-that-belonged-to-architeuthis-when-it-was-photographed-for-the-first-time-at-900-meters-yards-deep-off-the-coast-of-japans-bonin-islands-1000-kilometers-670-miles-south-of-tokyo-in-the-fall-of-2004-the-tentacle-was-left-after-it-became-stuck-with-a-bait-researchers-ran-dna-tests-on-the-tentacle-and-found-it-matched-those-of-other-giant-squids-found-around-japan-the-animal-which-has-eight-arms-and-two-longer-feeding-tentacles-was-not-in-danger-of-dying-from-the-in-2PDPP76.jpg)