MOA Acrylic circle Group quick measuring tool

Hello,

I apologize if I am using the terminology incorrectly or if this is inaccurate in any way but I'm just wondering if there's anything out there similar to this acrylic circle to measure MOA groups at 100 yards, 200 yards, 50 yards and etc. In example, a 2 1/4 inch circle with a 2 inch MOA circle printed in it for 200 yards, 1 inch MOA circle for 100 yards, .5 inch MOA circle for 50 yards, then .25 inch MOA circle for 25 yards.
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I used to have a couple of things like this that were in a SWAG bag from AOA a while ago. Let me see if I can find one. It may have been about 2" diam.
I'm wondering why no one has thought of this yet. Seems like a good idea to see if your group is sub MOA or not at set distance quickly rather than pulling out your measuring tool. I can't find anything on the web.
 
 
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This is exactly what I'm looking for. Unfortunately all the links in that forum does not work.
 
I use a drafting template for circles. Many on Amazon. Here is an example.

View attachment 552150

As a former Draftsman... sorry "Drafts-person", I used this kinda template for years before CAD (Computer Aided Design) took over. Still have a couple of dozen miscellaneous templates in a box somewhere.

Just wanted to mention that the holes in the templates are oversized to include a "pencil allowance".

I've made my own group measuring tool by scribing/scratching circles on a piece of clear plastic with a compass fitted with two points (needles).

The scribed circle can be colored with a permanent marker and the excess ink removed with alcohol.

Cheers!

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As a former Draftsman... sorry "Drafts-preson", I used this kinda template for years before CAD (Computer Aided Design) took over. Still have a couple of dozen miscellaneous templates in a box somewhere.

Just wanted to mention that the holes in the templates are oversized to include a "pencil allowance".

I've made my own group measuring tool by scribing/scratching circles on a piece of clear plastic with a compass fitted with two points (needles).

The scribed circle can be colored with a permanent marker and the excess ink removed with alcohol.

Cheers!

View attachment 552164
THIS!