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.
http://www.norma.cc/sida/eng/index.html
Click on "Ballistic" in the por right corner and enter any cartridge you like.
Just adjust the bullet weight to your preference.
