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.
Push in the button just in front of the trigger guard.
Slide the floorplate back a touch and it will pop out of the groove in front.
It takes a bit of effort, but it is much easier the second time.