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.
IRG has Colt monolithic upper at 200$ or so more than the base model IIRC. I imagine the CC version would eventually reflect that after 1 or 2 adjustments.