![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.
![Bulletin. Natural history. 222 YPM 64-33 YPM 64-36 YPM 64-37 SE 1/4 Sec. 6, T.5 S. , R.29 E. , 300 yards (2 75 m) SW of YPM 64-31, Big Horn Bulletin. Natural history. 222 YPM 64-33 YPM 64-36 YPM 64-37 SE 1/4 Sec. 6, T.5 S. , R.29 E. , 300 yards (2 75 m) SW of YPM 64-31, Big Horn](https://c8.alamy.com/comp/RGWN3E/bulletin-natural-history-222-ypm-64-33-ypm-64-36-ypm-64-37-se-14-sec-6-t5-s-r29-e-300-yards-2-75-m-sw-of-ypm-64-31-big-horn-county-montana-see-locality-map-t-horizon-unit-vii-40-to-45-feet-12-to-135-m-above-unit-vi-specimens-collected-deinonychus-antirrhopus-ypm-5281-5288-se-14-sec-12-t5-s-r28-e-3-75-miles-6-km-sv-of-cashen-ranch-house-400-yards-366-m-nw-of-the-junction-of-west-buster-and-middle-buster-creeks-big-horn-county-montana-see-locality-map-t-horizon-unit-vii-1-foot-03-m-above-unit-vi-specimen-collected-tenontosaurus-tillet-RGWN3E.jpg)
Bulletin. Natural history. 222 YPM 64-33 YPM 64-36 YPM 64-37 SE 1/4 Sec. 6, T.5 S. , R.29 E. , 300 yards (2 75 m) SW of YPM 64-31, Big Horn
![I see a lot of questions on here about shooting 300 and 500 yards. What do you consider long range? : r/longrange I see a lot of questions on here about shooting 300 and 500 yards. What do you consider long range? : r/longrange](https://preview.redd.it/vx61nc5ooaa71.jpg?width=640&crop=smart&auto=webp&s=f968f4092462bffe1430b1e9d51e14dbdc72eb4c)