Who are all these people who are having these problems? The shield has been out for around 2 or so years. The first year, shields were hard to find. The second year, they only sold but so many 9mm barrels to be used in 40mm Shield as people where just then getting there hands on a shield & learning that the 9mm barrel worked in them. In the last several months within that 2 year time frame, they stopped selling the barrels, and I have heard not 1 report from ANY of the FEW that were lucky enough to get a 9mm within that small window of time having any issues at all. Across several forums, blogs, and YouTube videos, everyone has consistently reported successful outcomes...