I have not, I still want to try them at the range. I wonder if resistance from the bcg would make a difference. I just thought it was strange that none of my other mags had this issue. And if I remember right I bought them on sale, so its not really a big issue. I was thinking about installing a magpul follower, if they fit. I know they are made in Israel, are they used by military or police? Either way I typically buy magpul or steel so they are not part of my shtf supply, thanks for the reply