I have a number of Wilson Combat mags and I love them, have never had a failure ... I also have a few Tripp mags and one made by Wolff, which work fine ... of course, I've never had any factory mags fail either ... not sure what that all says ...
"The gun has been called the great equalizer ... It insures that the people are the equal of their government whenever that government forgets that it is servant and not master of the governed." --Ronald Reagan