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.
Take and drill any pic rail and counter sink it, get yourself a t head nut that is threaded. Fit the t-head nut in the Anschutz rail and put the screw through the rail. You can slide it to where you need it and tighten it down.