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.
If the number is hidden by the assembled rear sight, there is almost no way of knowing. But if it is serial number -3- then you hit the jackpot! But, I suspect it is just some maker's mark with a meaning lost to the vagaries of time.
