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.
Note: This feature may not be available in some browsers.
I went through this a few months ago, I wasn't able to find one in 6.5 creedmore either. The best solution I came across was to try and find one super cheap and order a pre fit barrel.
