I don't think anything revolutionary has happened in the 1911 magazine field in the past 10 years. All the magazines discussed are still big players today. I really appreciate the systematic approach to analyzing the feeding differences of the various mag types. By all means, use what has been reliable for you! I'm sure all these magazine types still feed and function great. To me, its just a refreshing study of the empirical facts rather than a hodgepodge of opinions that we see so much of today.10 year old article . I will stick with my Metalform mags that have proven reliable