WNDSN: Scattering circle made easy

How wide is the spread of my group in MOA. A question that some of us like to ask. Usually you need a tape measure and a pocket calculator and some formulas for that. WNDSN has packed all of this into a compact analog calculator in the form of a card, the "Grouping-to-MOA Converter".

You simply enter the spread circle and the distance gap and read the resulting MOA by aligning the string over the scales. The MOA calculator is used both to measure the diameter of the group and to calculate the MOA:

1. The distance between the bullet holes is 4.7 cm (or 1.85 inches).
2. You set this value on the left scale.
3. The length of the shooting range is 75 yd (or 68 m).
4. On the middle scale, you read about 2.5 MOA for the group.

At Wndsn, the MOA converter is available for 27.50 EURO.

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