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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There are some subtle differences between the .22 and 9/40. Not sure where the dimensional differences are, but I have both the 9 and the 22 and use Safariland ALS holsters for both, and while the 22 works, it's definitely tighter.