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<blockquote data-quote="FearNoWind" data-source="post: 1186834" data-attributes="member: 50867"><p>Perhaps this will help.</p><p>MOA (Minute of Angle) is 1/60th of a degree and it works out to 1" per 100 yards.</p><p>Actually, it's 1.047" but the fraction isn't worth worrying about. 1 MOA remains 1/60th of a degree, regardless of distance. Because the angle doesn't change the "MOA" remains constant and reveals itself as an increase of 1 inch for every 100 yards down range. So 1 MOA at 100 yards equals 1 inch,</p><p>1 MOA at 200 yards eqauls two inches, and 1 MOA at 1000 yards equals 10 inches. They're all "1 MOA" but their value increases as the distance increases.</p><p>When you say your rifle shots 1 MOA groups it is assumed that your group would prove to be inside of 1 inch at 100 yards and inside of 5 inches at 500 yards. A 1/4 moa adjustment on your scope at 100 yards can be expected to move the impact on target by 1/4 inch (1/4 moa). If you don't change anything else in the scope settings and fire a shot at a target 200 yards away the impact on target can be expected to move 1/2 inch (still 1/4 moa) because 1/4*2=1/2 (.25*2=.5)</p></blockquote><p></p>
[QUOTE="FearNoWind, post: 1186834, member: 50867"] Perhaps this will help. MOA (Minute of Angle) is 1/60th of a degree and it works out to 1" per 100 yards. Actually, it's 1.047" but the fraction isn't worth worrying about. 1 MOA remains 1/60th of a degree, regardless of distance. Because the angle doesn't change the "MOA" remains constant and reveals itself as an increase of 1 inch for every 100 yards down range. So 1 MOA at 100 yards equals 1 inch, 1 MOA at 200 yards eqauls two inches, and 1 MOA at 1000 yards equals 10 inches. They're all "1 MOA" but their value increases as the distance increases. When you say your rifle shots 1 MOA groups it is assumed that your group would prove to be inside of 1 inch at 100 yards and inside of 5 inches at 500 yards. A 1/4 moa adjustment on your scope at 100 yards can be expected to move the impact on target by 1/4 inch (1/4 moa). If you don't change anything else in the scope settings and fire a shot at a target 200 yards away the impact on target can be expected to move 1/2 inch (still 1/4 moa) because 1/4*2=1/2 (.25*2=.5) [/QUOTE]
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