Like BLUE RIDGE BRASS!! I get all my 40 cal (dirty because I possess the resources and can certainly clean it myself) circumstances from Blue Ridge Brass! I get it from the 4,000 at a time and have not had a 10mm scenario in the bunch, nor a 9mm wedged https://40-s-w-once-fired-brass86160.creacionblog.com/38506066/the-definitive-guide-to-40-s-w-brass