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.
The picture in the post is showing GEN 2, I tried going to the website to confirm but when I clicked on the Beretta 1301 T it wouldn't allow me to open up the page. See if it works for you.