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.
Try gently tapping the back face of the mag body outwards, it will tighten things up. The mag sometimes is made a wee bit undersize or the sheet metal gets compressed with use. Moving that back rib only 1/32 inch outwards usually will do it..
You need to dismantle it and jig it up in a vise or wood blocks and tap the back from the inside with a hardwood drift. Not easy to do without an extra pair of hands to help and hold the thing still while you tap at it. Gentle taps and retry in the rifle often.