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.
Did u use them with a weaver tip-off mount, make sure the front ring is against the end of the mount. I had no issues with the weaver tip-off mounts and rings on my 303
