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In the chart below, Minutes of Angle is abbreviated MOA.





 
 
   
 
Sight Radius Elevation required for 1 MOA in inches Sight Radius Elevation required for 1 MOA in inches
7 0.0020 21 0.0061
8 0.0023 22 0.0065
9 0.0026 23 0.0067
10 0.0029 24 0.0070
11 0.0032 25 0.0073
12 0.0035 26 0.0076
13 0.0038 27 0.0079
14 0.0041 28 0.0082
15 0.0044 29 0.0085
16 0.0047 30 0.0088
17 0.0050 31 0.0091
18 0.0053 32 0.0093
19 0.0055 33 0.0096
20 0.0058 34 0.0099
Range
300 yards
200 yards
100 yards
1 MOA in inches
3.1416
2.0944
1.0472
 
 

 

 
  NOTE: As an example of how to read the chart and what it means to the shooter, if your mounts are spaced 7.00 inches apart, moving your elevation knob two tick marks (.002") would change your point of impact one MOA. Therefore, the elevation change from the bottom position of the rear mount to the top would envelope 325 MOA, or about 5.4 degrees.

NOTE: On the other extreme, if your mounts are spaced 21.00 inches apart, it would require traversing six tick marks on the elevation knob to move one MOA, as it requires .0061" and each tick mark is .001". This would then change your total elevation adjustments to 108 MOA, or about 1.8 degrees. Depending on the individual rifle and loads being used, the longer spacing may limit the ultimate range you will be able to shoot.

 
     
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