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 front sling swivel?
Remove the screw near the end that is forward of the swivel. Then the front piece will pop off. It may require a little persuasion.
Once that is off, you have access to the hollow front stock area. Inside you can then loosen and remove the stud.