Denny speaks the truth. I once received a shipment of a large number of
NIW M4A1 carbines with 13 mags per gun. When we loaded the magazines for function firing of the carbines, several had the baseplate tabs break off.
Magazine, like the weapons they feed, are tools. My strong belief is that the vast majority of those posting on this or any other firearms related forum seldom shoot or train.
The only way that you will ever know if anything does work is to use it well and often.
Hope you got something out of that article, and thank you for the feedback!