While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
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Last test I saw on this (dowel test) showed a 105 gr RN 6mm as the least deflected bullet in the test (which ranged from 223 to 45-70 if memory serves). Your mileage may vary. - dan